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HomeMy WebLinkAboutZON2012-00011 Killcket 2: 06.-71.1 Lacpi3� ► •� f � * Z(4,Nb 0 h "It 1::1 • .� • , I '"'i ;. 4.. to.--N.. Lij `A •a _ '. oaf . neR _ .. s * - tf.. r"..N. f et - "4.1t4,.V.41":-.'''. '..Ti ii- ..-71:- • , • -,.. ; .. :-,... .,, _;_,. ... . r { � 1 4,.m..°5 1.�, Ai .. ., � , .i, C' . ac;• :,, _,,.... t , ..,, . "A.,,r , _L.". ,st,.. ii,_ji_,,,_, ts,,. p...) . • '` .• . t .. ....1. _.. „ ' !3• % y F f 0 =y • f i l � a:., , - A- " a h ` A ` - _ als & .. 10 -,L +_ ..: . , �S r .S- ] `* a •. m �� I. Y•., .,{+• `g� 9 ic,. '�{'� flXy,'•'e -d Ai y ',•, . . ,.•••‘. . 7-,"TIS:.''' • ' .• `' .. '.. -14 7 '11,, � ya h ; 1t .r•, Y1:. ° • +1. ikti3O'. _ w ro, i;a.-..-j -.•-M . - 'f "�(' 9y F ,yr fit- ,yamr! f"m .b.1:7,. I-.• . y . c t *..A M Y. ._ 4 pr! , � • I rn _ . itkii ,.. lt-. t«w Y1 a .a. ... s , '7 • a ,.. 0 ptk il ii ' ,P ■ (or #.:'. ..'.' . Alif - r;. F. tt v,..f Ys , , iligkrilitiv ilibP ... . ..:...: ......,-:.....::...,:.: .;...-..:. olik .y"• s • • David W. Johnson From: Zoe Ann Lamp Sent: Friday, September 06, 2013 10:14 AM To: David W. Johnson; Frank Benskin; Mary Blain Cc: rlow @ejfr.org Subject: FW: MLA12-00124 (BLD12-00168) - FW: East Jefferson Fire Rescue-Chimacum Station final FYI—See Eric's email below. Zoe Ann From: Eric Kuzma Sent: Friday, September 06, 2013 9:57 AM To: Zoe Ann Lamp Subject: RE: MLA12-00124 (BLD12-00168) - FW: East Jefferson Fire Rescue - Chimacum Station final Hi Zoe, To follow up with you on the EJFR Chimacum Station, all of Public Works requirements have been met. Please let me know if you need anything else. Thanks, Eric Eric Kuzma,Engineer III Jefferson County Department of Public Works 623 Sheridan Street,Port Townsend,WA 98368 Ph: 360.385.9167 Fax: 360.385.9234 Email: ekuzma(a,co je fferson.wa.us Web: wwwcajefferson.wa..us/publicworks From: Zoe Ann Lamp Sent: Wednesday, August 28, 2013 12:10 PM To: rlow@ ejfr.orq Cc: Frank Benskin; Jim Coyne; Mary Blain; Eric Kuzma; David W. Johnson Subject: MLA12-00124 (BLD12-00168) - FW: East Jefferson Fire Rescue- Chimacum Station final Chief Low, As we discussed, I contacted Public Works on the new fire hall. Your contact at Public Works is Eric Kuzma. Please review his below email and the attachment. Please work directly with Eric to satisfy these requirements. Thank you. Sincerely, Zoe Ann Lamp, AICP Associate Planner, DRD Lead Jefferson.County Department of Community Development 621 Sheridan Street Port Townsend, WA 98368 Phone: 360-385-9406 1 Fax: 360-379-4473 e-mail: zlamp @co.jefferson.wa.us Jefferson County DCD Mission: To preserve and enhance the quality of life in Jefferson County by promoting a vibrant economy, sound communities and a healthy environment. All e-mail sent to this address will be received by the Jefferson County e-mail system and may be subject to Public Disclosure under Chapter 42.56 RCW Please note: Our office is open to the public 9:00 a.m.—4:30 p.m. Monday to Thursday, closed Noon— 1:00; Closed Fridays. From: Eric Kuzma Sent: Wednesday, August 28, 2013 11:26 AM To: Zoe Ann Lamp Subject: East Jefferson Fire Rescue - Chimacum Station final Hi Zoe, Prior to final approval EJFR will need to: Subm i t o letter from the project engineer certifying t hat the stormwater management ement facilities have been constructed as per the approved plans. - Enter into a Stormwater Management Facility Maintenance Agreement with Jefferson County(I have attached copy, if they need). The proponent shall sign the Agreement before a notary and file it with the Jefferson County Auditor and provide JCPW the completed version. - It also looks as though Jim P. spent a 0.50 hr. on their project which has not been billed but will be shortly. Thanks, Eric Eric Kuzma,Engineer 111 Jefferson County Department of Public Works 623 Sheridan Street,Port Townsend,WA 98368 Ph:360.385.9167 Fax:360.385.9234 Email: ekuzma(acojefferson.wa.us Web:www.cojefferson.wa..us/publicworks 2 ' 14F4 . • ' ' ,4.. t 4.� ''{4± ''' ; 7 ' rt.. ,. ..4`. ') . I :11-"t'--A- . . , ....., , , ,,,_:._ .„4t,,,,, ., 41 :v.„,.,:,.- , -,.. ., ,,,-;. .[...+ 2__._: _------ • — :---- 7 1,[ a , .. , ....,::,,,_„.,_,.,.i,....4,:,-t.:.1-7,S- ':',--:' .. ,,,"4.:',-.*'.:!41` .--"'''''I' ' ' '-'7/.''.1-.6 i, -- - - ,-!-., x y * f '' ` `7.51.S1-!2''''''.'..::,...;:',i1::-...,:-.-,...'-'-i`: ,.„..4,k.,...,,:,-.„ , .:,.,,, ,...42,,„,:.,,,, . 1. II,. . , .... .. • . .. . , . _ . . . ...:, ,,.. t - it- f t r ..( .• ti 71(.. ..v '. . _ _-. , 7.401.0rilia.... . ..44,.. :.... , . . . , , .., . .. ..:. T.: . ... _ ..., :::,, „.......i.:,.... .. ... ,, ,„., .,., ,...,, .,- .. . *161......, - ,..„. : ...... , , CNIMACUM RD x '11,4' A - r CENTER RR , - y a 7 ,\\mow .. t • jgt w 16 r r , , , ,„„ . , „ 1 T, „ .. ...,--„. .-- ,__,,,,,tte;t - ----„,„:„..,,,,,,_ ...... „,,...,,,.-„,t4 :. , ..„,.. i.;r , ., . Y z{ ' - '. - ��C a"fiiw� " ':.1A.. .,.3 .h: 41111111111111 -.4"4411111411111111111111111gt 11IIit y _ t . '''''N' ''''''' . ,F . ♦` a - M g ,. ;,.rzo rs> : f 4. r e It I, a _..---------- -: - _. . __ _, , .:. t St 4. " .. M ar- .n W, �.. m / �� .% ax asp' �' ' 'a. dy. STORMWATER REPORT REVISED MAY 10, 2012 `n'. 0 P CHIMACUM FIRE STATION O 9193 Rhody Drive Chimacum, WA 98325 c FF�S�N o\FV 0 _ OEp� ° 11 E _ ED =Y: �� 6, ,711:q MAY 14201 JEFFERSON COUNTY PICK WORKS DEPT FFER•ON COU TY �11�LIC WOR S DEP RTMENT • Pia WAS O 5 ; °e-N. 665 G1STSI � A 4/L Eta.. EXP. DATE: 05 / 05 / 14 Prepared by Michael J.Anderson PE& PLS No. 27665 330 Cleveland Street Port Townsend, WA 908368 STORMWATER REPORT REVISED MAY 10, 2012 CHIMACUM FIRE STATION 9193 Rhody Drive Chimacum, WA 98325 PROJECT LOCATION The project consists of the removal and replacement of the existing fire station at #9197 Rhody Drive (aka SR19) which is operated by the East Jefferson Fire Rescue of Jefferson County, Fire District No. 1. The property is approximately 0.1 mile north of the intersection of Chimacum Road and SR19. The project site consists of a 1.466 acre portion of Section 14, T29N, R1 W. W.M. and is also known as APN 901 142 033. Access to the new development is proposed at the present driveways at Mile Post 9.16. This stormwater management plan will examine the hydrology and changes to the stormwater runoff due to the on-site building construction. All proposed drainage improvements shall be consistent with the design standards of the Jefferson County Development Standards and the "Stormwater Management Manual for Western Washington" 2005 (DOE SMM). PRE-DEVELOPMENT SITE CONDITIONS The present site is occupied by the existing fire station known as the Chimacum Fire Station as operated by the East Jefferson Fire District No. 1. The on-site building is 8921 sft with direct building driveway access located on the westerly side of the site. The site is currently served by a combination of two driveways, one directly in front of the present station and one to the east which provides access to the fire station and the adjoining property within a 42 foot wide access easement. The existing impervious area consisting of the building, the existing on-site fire personnel residence, the driveway access and the fire truck lanes is 31453 sft within a site area of 63,864 sft (1.466 Ac). Page 2 of 9 The existing total impervious area currently sheet flows to an on-site infiltration system with only the front westerly driveway area draining toward Rhody Drive. The existing infiltration trench was constructed in 1999 by Landmark Excavating. At a site meeting of March 5, 2012, the location and length of the 3 foot wide x 8 feet deep trench was verified and the site plan illustrates the underground existing system. To correct a problem with water ponding in the Rhody Drive area in front of the post office property to the west and the entry to the fire station, a catch basin system was constructed within the existing pavement in the highway that drains to an infiltration system constructed on the fire station property by WSDOT forces. The infiltration system consists of a 4 foot diameter pipe with exfiltration holes that extends 15 feet deep. An inspection of the facility on March 5, 2012 indicates a water surface 11 feet 9 inches from the surface of the manhole frame and cover. The interconnecting 8" diameter pipes are shown on the attached site plan. The pipe is labeled as "STORM DRAIN MH". Utilizing the "USDA Soil Conservation Service — Jefferson County Area" as a resource, the soil is characterized as San Juan (SaB) gravelly sandy loam. The infiltration rate for this type soil varies from 6.3 to 20 inches per hour. The calculations will rely on the conservative figure and apply the 25% factor of safety factor prescribed by the State DOE Manual. DOWNSTREAM ANALYSIS The downstream storm drain system consists of a roadside ditch system that presently ponds in front of the Fire Station site and for which the on-site infiltration system was constructed. The present condition is a sump and there is no apparent downstream flow. The Chimacum Creek is located approximately 1000 feet to the west of the site. The elevation of the SR19 crossing of the Chimacum Creek is at 105 which the SR19 pavement elevation at 121 but the grade along SR19 is not uniform which results in the sump condition at the entry to the Fire Station. PROPOSED SITE DEVELOPMENT The project consists of new 11108 sft building, replacing the existing structure and the existing residence at the rear of the main structure. In addition, there is an additional driveway and parking area to be constructed at the westerly panhandle portion of the property as shown. Page 3 of 9 PROPOSED STORMWATER IMPROVEMENTS The primary goal of the State DOE Stormwater Manual for Western Washington is to protect the streams of the State and the Puget Sound. To comply with that goal, the Manual prescribes the treatment of runoff and the infiltration of the treated runoff into the soil to refurbish the ground water that the impervious areas have covered. The goal of the stormwater improvements proposed by this plan is to enhance the water quality provisions in locations that are consistent with the proposed new building construction site plan. The on-site design for the new building and new parking areas include a combination of drainage bioswales where the existing topography will allow and catch basins to capture the storm water runoff from the on-site parking areas. The roof area of the new building will drain in tight lines to the existing underground systems as appropriate. HYDROLOGICAL ANALYSIS The new WWHM3 stormwater design criteria are utilized to verify that the infiltration trench and the bio-swale provide sufficient capability to satisfy the DOE standards. The following is a summary of the impervious areas: PROPERTY SITE AREA: 63864 SFT = 1 . 466 ac EXISTING BUILDINGS:... 8921 SFT = 0 . 205 ac EXISTING GRAVEL DRIVEWAYS 22532 SFT = 0. 517 ac TOTAL IMPERVIOUS AREA 31453 SFT = 0 . 722 ac = 49 . 3% PROPOSED DEVELOPMENT: NEW MAIN BUILDING 11108 SFT = 0 . 255 ac SIDEWALK AREA 1459 SFT = 0 . 034 ac PARKING & DRIVEWAY AREA 24670 SFT = 0 . 566 ac TOTAL IMPERVIOUS AREA 37892 SET = 0 . 870 ac = 59 . 3% PROPOSED STORMWATER FACILITIES model calculations indicate that the existing infiltration trench of 50 The W WHM3 mo g Page 4 of 9 feet x 3 feet wide x 8ft 0" depth would provide for the entire site storm water runoff. Please see attached calculation sheets. The parking area at the rear westerly portion of the site will provide parking for the fire department personnel to be working at the site and it is not anticipated that this parking area will be a high use facility. However, the length of the bioswale has been increased to 100 feet in accordance with DOE requirements. This area is to include a new infiltration trench due to topographic constraints that prevent a direct underground connection to the existing infiltration trench in the middle of the site that was determined to be sufficient for the entire new impervious area drainage. The added length of bioswale will enhance treatment for the deposition of the stormwater into the 3ft xl2 ft infiltration trench that will be constructed to a depth of 6 feet to contact with the gravel/sand layer as indicated on the septic logs for the site. This length was sufficient for this "Area B" as shown in the WWHM3 calculation sheet attached. In addition, bioswales have been added within the landscape area adjacent to Rhody Drive. These swales will capture a portion of the storm water that previously drained onto the highway and collected into a new catch basin that drains to the existing infiltration system at the "Stormwater MH". Otherwise, no change to the existing flow to the highway area that drains back onto the on-site drainage facility is proposed. This storm water flows to the existing "Stormwater ME" manhole, combination infiltration pipe which is described above. EROSION AND SEDIMENTATION IMPACTS The State 2005 DOE Manual specifies that each stormwater plan shall provide for the following elements: SECTION 2.5. 1 MINIMUM REQUIREMENT #1 : PREPARATION OF STORMWATER SITE PLAN Please see attached on-site/stormwater plan for the site TESC plan details . SECTION 2. 5.2 MINIMUM REQUIREMENT #2 : CONSTRUCTION STORMWATER POLLUTION PREVENTION (SWPP) All new development and redevelopment shall comply with Construction SWPP Elements #1 through #12 below: Page 5 of 9 Element 1: Mark Clearing Limits The clearing limits will be the minimum required to clear the existing building and to modify the pavement to the new configuration. No additional clearing is proposed. Element 2: Establish Construction Access A construction access will be established at the existing driveway to Rhody Drive, SR 19. The existing paved entry will be utilized to minimize tracking sediments. The contractor shall be responsible for promptly removing any sediment that is tracked onto SR 19. Element 3: Control Flow- Rates The downstream condition will not be materially affected by the increase in runoff due to the proposed development. Element 4: Install Sediment Controls A silt fence will be set in place along the perimeter of the new construction along the downstream boundary of the construction area site prior to the start of work to prevent siltation. Element 5: Stabilize Soils At the completion of the site grading for the building pads and subgrade for the paving areas, the areas disturbed by the new construction will be seeded and maintained during the remainder of the construction period. Upon completion of the on-site building construction, the final landscaping of the site will be installed to stabilize the soils. As required by the SMM, from October 1 through April 30, no soils shall remain exposed and unworked for more than 2 days . From May 1 to September 30, no soils shall remain exposed and unworked for more than 7 days. The soils will be temporary seeded or protected with plastic covering. Element 6: Protect Slopes All slope areas will be made at 3: 1 maximum and protected with hay and plastic coverings as required. Permanent Page 6 of 9 landscaping will be installed at completion of the building construction. Element 7: Protect Drain Inlets The new catch basins will be protected with silt screen fences during construction in accordance with detail shown on Sheet 2 of the stormwater plan. The driveway accessing onto SR 19 will be maintained in as clean as possible state to prevent sediment tracking onto the State Highway. Element 8: Stabilize Channels and Outlets The site drainage does not affect any channels or outlets . Element 9: Control Pollutants As required by the SMM, all pollutants, including waste materials and demolition debris that occur on-site during construction shall be handled and disposed of in a manner that does not cause contamination of storm water. Maintenance and repair of heavy equipment and vehicles involving oil changes and other maintenance work shall be conducted using spill prevention measures such as drip pans . Wheel wash or tire bath wastewater shall be discharged to a separate on-site treatment system. Element 10: Control De-watering No de-watering is anticipated with this project. Element 11: Maintain BMPs All temporary and permanent erosion and sediment control BMPs shall be maintained and repaired as needed to assure continued performance of their intended function. All maintenance and repair shall be conducted in accordance with the requirements of the State SMM. Sediment control BMPs shall be inspected weekly or after a runoff-producing storm event during the dry season and daily during the wet season. All temporary erosion and sediment control BMPs shall be removed within 30 days after final site stabilization is Page 7 of 9 achieved or after temporary BMPs are no longer needed. Trapped sediment shall be removed or stabilized on site . Disturbed soil areas resulting from removal of BMPs or vegetation shall be permanently stabilized. Element 12: Manage the Project All aspects of this Stormwater Control Plan and the Construction Stormwater Pollution Prevention Plan will be in place in accordance with the sequencing of the work and will be properly maintained by the contractor during construction and by the property owner upon completion and occupancy of the new structure. SECTION 2.5. 3 MINIMUM REQUIREMENT #3: SOURCE CONTROL OF POLLUTION This report and plan is consistent with the intent of the SMM to prevent stormwater from coming in contact with pollutants . As discussed above in the Elements, considerations have been employed with respect to the equipment on the site during construction to prevent pollutants entering the stormwater system. SECTION 2.5. 4 MINIMUM REQUIREMENT #4: PRESERVATION OF NATURAL DRAINAGE SYSTEMS AND OUTFALLS There are no natural drainage systems other than sheet flow across this property. The stormwater flows from the pavement areas will be captured on-site and infiltrated as noted. SECTION 2.5. 5 MINIMUM REQUIREMENT #5 : ON-SITE STORMWATER MANAGEMENT The SMM principle goal is to infiltrate where possible. This plan has incorporated infiltration as a part of the storm water system. SECTION 2.5. 6 MINIMUM REQUIREMENT #6 : RUNOFF TREATMENT Each proposed catch basin is to be fitted with an oil/water separator per the standard detail. The bioswale will receive the stormwater from the catch basins and provide treatment prior to the infiltration where possible. Page 8 of 9 SECTION 2.5. 7 MINIMUM REQUIREMENT #7: FLOW CONTROL The infiltration trench has been sized in accordance with the DOE WWHM3 program. SECTION 2. 5. 8 MINIMUM REQUIREMENT #8: WETLAND PROTECTION No wetlands are associated with this project . SECTION 2.5. 9 MINIMUM REQUIREMENT #9:BASIN/WATERSHED PLANNING There is no designated basin stormwater plan for this area. SECTION 2. 5. 10 MINIMUM REQUIREMENT #10: OPERATION AND MAINTENANCE An Operation and Maintenance manual is attached and provides for the maintenance procedures for the facilities proposed by this plan. The property owner will be responsible for the maintenance of all the stormwater facilities. SUMMARY In summary, the stormwater requirements are as shown on the attached copy of the engineered site plan illustrate the stormwater facilities proposed for the project that will infiltrate the projected stormwater flows. Upon completion of the construction and prior to final project approval, the Public Works Department will prepare a Stormwater Management Facility Maintenance Agreement for the East Jefferson Fire Rescue District No. 1 that is to be recorded with the Jefferson County Auditor. TEMPORARY EROSION AND SEDIMENT CONTROL Temporary silt fences will be placed along the site as necessary to provide erosion control during construction. Landscaping of all exposed soil will be completed as soon as possible to prevent any offsite soil deposition. 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I 0 1 , , , z . _ , c 0 > 1 itLiLt Itl x I --11 I E-----1 • Ea 11 . .: Nti • 1° *.... .fl!L_ __ II, ri- El w A 4 il III ' te 3 1 1 1 ii i -4 I 1 lel t ,st,71 , t ,gi ct 1 -Az:A 01- ATTACHMENT III STORMWATER FACILITIES O & M MANUAL O &M MANUAL Page 2 of 3 This STORMWATER MANAGEMENT MANUAL utilizes the following references: 1. Stormwater Management Manual for Western Washington: Volume V (Washington Department of Ecology,April, 2005); 2. The Jefferson County adopted Stormwater Standards; 3. The"LOW IMPACT DEVELOPMENT" Technical Guidance Manual for Puget Sound, January 2005. The maintenance schedule shall consist of the following describes elements: 1. Semi-annual sweeping of all pavement areas; see reference Vol. V Section 12.6.5 "High Efficiency Street Sweepers" 2. After each significant storm event,the catch basins shall be inspected for level of sedimentation. The sediments shall be removed at that time and at a minimum of every 6 months. 3. After each storm,the biofiltration swale shall be cleared of any debris. 4. The biofiltration swale shall be mowed at the beginning of spring and fall or by March 15th and October 15 each year. The grass debris shall be removed from the site and disposed at an approved DOE site. Sediment in the bottom of swale that exceeds 2"shall be removed. See Vol. V, Section 9.4, "BMPT9.10"Basic Biofiltration Swale". Catch Basins: A Type 1 catch basin is a rectangular box with approximate dimensions of 2'x2'x5'. Type 1 catch basins are utilized when the connected conveyance pipes are less than 18 inches in diameter and the depth from the gate to the bottom of the pipe is less than 5 feet. Both types typically provide a storage volume(sump) below the outlet pipe to allow sediments and debris to settle out of the stormwater runoff. Some catch basins are also fitted with a spill control device(inverted elbow on outlet pipe) intended to contain large quantities of grease or oils. The most common tool for cleaning catch basins is a truck with a tank and vacuum hose (vactor truck) to remove sediment and debris from the sump. A catch basin may be an enclosed space where harmful chemicals and vapors can accumulate. The cleaning work should be conducted by an individual trained and certified to work in hazardous confined spaces. O &MMANUAL Page 3 of 3 Bioswale: A biofiltration swale uses grass to filter sediment and oily materials out of stormwater. Usually they look like flat-bottomed channels with grass growing in them. Biofiltration uses vegetation in conjunction with slow and shallow-depth flow for runoff treatment. As runoff passes through the vegetation, pollutants are removed through the combined effects of filtration, infiltration, and settling. These effects are aided by the reduction of the velocity of stormwater as it passes through the biofilter grass element. Biofiltration swales provide stormwater quality control(treatment) and are stormwater treatment devices that must be properly maintained to sustain pollutant removal capacity. Infiltration Trench: A stormwater infiltration trench is a closed basin built by excavating below existing ground. Infiltration trenches temporarily store stormwater runoff during rain events. Infiltration trenches rely on the ability of the site's soils to infiltrate the stormwater into the ground. iI dE L S1 I JEFFERSON COUNTY DEPT.OF COMMUNITY DEVELOPMENT EAST JEFFERSON FWE RESCUE NEW CHIMACUM FIRE STATION #1-1 BUILDING PERMIT I STATE HIGHWAY ACCESS CONNECTION APPROVAL From: Derek Michel<dmichel @lawhead.com> Subject: Re: Sidewalk Detail Date: June 2, 2012 12:51:00 PM PDT To: Michael<santiago2 @cablespeed.com> nTh , CEOVEIT- ;II E On Jun 1,2012, at 11:18 AM, Michael wrote: t v U i v ._ 202 Michael, JEFFERSON COUNTY While your access permit has not yet been processed, I can as r Dr'OF:. fi-- ;�' tht the Jefferson County Fire Dept. will receive an access Permit for their location in Chimacum on SR19. Arthur 0. Sporseen Olympic Region HQ Development Review Engineer Tumwater Wa,98504-7440 360-357-2706 From: Michael [mailto:santiago2 @cablespeed.com] Sent: Monday, May 28, 2012 7:08 AM To: Sporseen, Art Subject: RE: Sidewalk Detail Good morning Art....the architect has sent me the list of requirements for the Building Permit Application at Jefferson County and they are requiring evidence of a permit for State access the permit application is scheduled for June 4....is there a possibility that the access permit can be completed this week? Michael STORMWATER REPORT REVISED MAY 10, 2012 #`�. 0 cue° '°‘ . O 0 - 1 HIMACUM FIRE STATION \C-\\\� FFERSCNCO�E E�CPM0 9193 Rhody Drive �E �N`� m WA 98325 0\of coM�` Chimacum, F � 7!! iii: MAY 1 4 2012 ,t'2r I- C---) E A ED =Y 4 i I JEFFERSON COUNTY � " 1 PUBLIQ WORKS DEPT F ER'ON COU TY BLIC WOR S DEP RTMENT ,57/..c--- 2'&),/2!,___ " Quo waskVp c��� �, �� ��, Zo t , _ / EXP. DATE: 05 / 05 / 14 Prepared by Michael J.Anderson PE&PLS No. 27665 330 Cleveland Street Port Townsend, WA 908368 STORMWATER REPORT REVISED MAY 10, 2012 CHIMACUM FIRE STATION 9193 Rhody Drive Chimacum, WA 98325 PROJECT LOCATION The project consists of the removal and replacement of the existing fire station at #9197 Rhody Drive (aka SR19) which is operated by the East Jefferson Fire Rescue of Jefferson County, Fire District No. 1. The property is approximately 0.1 mile north of the intersection of Chimacum Road and SR19. The project site consists of a 1.466 acre portion of Section 14, T29N, R1 W. W.M. and is also known as APN 901 142 033. Access to the new development is proposed at the present driveways at Mile Post 9.16. This stormwater management plan will examine the hydrology and changes to the stormwater runoff due to the on-site building construction. All proposed drainage improvements shall be consistent with the design standards of the Jefferson County Development Standards and the "Stormwater Management Manual for Western Washington" 2005 (DOE SMM). PRE-DEVELOPMENT SITE CONDITIONS The present site is occupied by the existing fire station known as the Chimacum Fire Station as operated by the East Jefferson Fire District No. 1. The on-site building is 8921 sft with direct building driveway access located on the westerly side of the site. The site is currently served by a combination of two driveways, one directly in front of the present station and one to the east which provides access to the fire station and the adjoining property within a 42 foot wide access easement. The existing impervious area consisting of the building, the existing on-site fire personnel residence, the driveway access and the fire truck lanes is 31453 sft within a site area of 63,864 sft (1.466 Ac). Page 2 of 9 The existing total impervious area currently sheet flows to an on-site infiltration system with only the front westerly driveway area draining toward Rhody Drive. The existing infiltration trench was constructed in 1999 by Landmark Excavating. At a site meeting of March 5, 2012, the location and length of the 3 foot wide x 8 feet deep trench was verified and the site plan illustrates the underground existing system. To correct a problem with water ponding in the Rhody Drive area in front of the post office property to the west and the entry to the fire station, a catch basin system was constructed within the existing pavement in the highway that drains to an infiltration system constructed on the fire station property by WSDOT forces. The infiltration system consists of a 4 foot diameter pipe with exfiltration holes that extends 15 feet deep. An inspection of the facility on March 5, 2012 indicates a water surface 11 feet 9 inches from the surface of the manhole frame and cover. The interconnecting 8" diameter pipes are shown on the attached site plan. The pipe is labeled as "STORM DRAIN MI-I". Utilizing the "USDA Soil Conservation Service — Jefferson County Area" as a resource, the soil is characterized as San Juan (SaB) gravelly sandy loam. The infiltration rate for this type soil varies from 6.3 to 20 inches per hour. The calculations will rely on the conservative figure and apply the 25% factor of safety factor prescribed by the State DOE Manual. DOWNSTREAM ANALYSIS The downstream storm drain system consists of a roadside ditch system that presently ponds in front of the Fire Station site and for which the on-site infiltration system was constructed. The present condition is a sump and there is no apparent downstream flow. The Chimacum Creek is located approximately 1000 feet to the west of the site. The elevation of the SR19 crossing of the Chimacum Creek is at 105 which the SR19 pavement elevation at 121 but the grade along SR19 is not uniform which results in the sump condition at the entry to the Fire Station. PROPOSED SITE DEVELOPMENT The project consists of new 11108 sft building, replacing the existing structure and the existing residence at the rear of the main structure. In addition, there is an additional driveway and parking area to be constructed at the westerly panhandle portion of the property as shown. Page 3 of 9 PROPOSED STORMWATER IMPROVEMENTS, The primary goal of the State DOE Stormwater Manual for Western Washington is to protect the streams of the State and the Puget Sound. To comply with that goal, the Manual prescribes the treatment of runoff and the infiltration of the treated runoff into the soil to refurbish the ground water that the impervious areas have covered. The goal of the stormwater improvements proposed by this plan is to enhance the water quality provisions in locations that are consistent with the proposed new building construction site plan. The on-site design for the new building and new parking areas include a combination of drainage bioswales where the existing topography will allow and catch basins to capture the storm water runoff from the on-site parking areas. The roof area of the new building will drain in tight lines to the existing underground systems as appropriate. HYDROLOGICAL ANALYSIS The new WWHM3 stormwater design criteria are utilized to verify that the infiltration trench and the bio-swale provide sufficient capability to satisfy the DOE standards. The following is a summary of the impervious areas: PROPERTY SITE AREA: 63864 SFT = 1. 466 ac EXISTING BUILDINGS:... 8921 SFT = 0 . 205 ac EXISTING GRAVEL DRIVEWAYS 22532 SFT = 0. 517 ac TOTAL IMPERVIOUS AREA 31453 SFT = 0 . 722 ac = 49. 3% PROPOSED DEVELOPMENT: NEW MAIN BUILDING............ 11108 SFT = 0 . 255 ac SIDEWALK AREA 1459 SFT = 0 . 034 ac PARKING & DRIVEWAY AREA 24670 SFT = 0 . 566 ac TOTAL IMPERVIOUS AREA 37892 SFT = 0 . 870 ac = 59 . 3% PROPOSED STORMWATER FACILITIES The WWHM3 model calculations indicate that the existing infiltration trench of 50 Page 4 of 9 feet x 3 feet wide x 8ft 0" depth would provide for the entire site storm water runoff. Please see attached calculation sheets. The parking area at the rear westerly portion of the site will provide parking for the fire department personnel to be working at the site and it is not anticipated that this parking area will be a high use facility. However, the length of the bioswale has been increased to 100 feet in accordance with DOE requirements. This area is to include a new infiltration trench due to topographic constraints that prevent a direct underground connection to the existing infiltration trench in the middle of the site that was determined to be sufficient for the entire new impervious area drainage. The added length of bioswale will enhance treatment for the deposition of the stormwater into the 3ft x12 ft infiltration trench that will be constructed to a depth of 6 feet to contact with the gravel/sand layer as indicated on the septic logs for the site. This length was sufficient for this "Area B" as shown in the WWHM3 calculation sheet attached. In addition, bioswales have been added within the landscape area adjacent to Rhody Drive. These swales will capture a portion of the storm water that previously drained onto the highway and collected into a new catch basin that drains to the existing infiltration system at the "Stormwater MR". Otherwise, no change to the existing flow to the highway area that drains back onto the on-site drainage facility is proposed. This storm water flows to the existing "Stormwater MH" manhole, combination infiltration pipe which is described above. EROSION AND SEDIMENTATION IMPACTS The State 2005 DOE Manual specifies that each stormwater plan shall provide for the following elements: SECTION 2.5. 1 MINIMUM REQUIREMENT #1 : PREPARATION OF STORMWATER SITE PLAN Please see attached on-site/stormwater plan for the site TESC plan details . SECTION 2.5.2 MINIMUM REQUIREMENT #2 : CONSTRUCTION STORMWATER POLLUTION PREVENTION (SWPP) All new development and redevelopment shall comply with Construction SWPP Elements #1 through #12 below: Page 5 of 9 Element 1: Mark Clearing Limits The clearing limits will be the minimum required to clear the existing building and to modify the pavement to the new configuration. No additional clearing is proposed. Element 2: Establish Construction Access A construction access will be established at the existing driveway to Rhody Drive, SR 19. The existing paved entry will be utilized to minimize tracking sediments . The contractor shall be responsible for promptly removing any sediment that is tracked onto SR 19. Element 3: Control Flow- Rates The downstream condition will not be materially affected by the increase in runoff due to the proposed development. Element 4: Install Sediment Controls A silt fence will be set in place along the perimeter of the new construction along the downstream boundary of the construction area site prior to the start of work to prevent siltation. Element 5: Stabilize Soils At the completion of the site grading for the building pads and subgrade for the paving areas, the areas disturbed by be seeded and maintained during new construction will g the remainder of the construction period. Upon completion of the on-site building construction, the final landscaping of the site will be installed to stabilize the soils . As required by the SMM, from October 1 through April 30, no soils shall remain exposed and unworked for more than 2 days. From May 1 to September 30, no soils shall remain exposed and unworked for more than 7 days. The soils will be temporary seeded or protected with plastic covering. Element 6: Protect Slopes All slope areas will be made at 3: 1 maximum and protected with hay and plastic coverings as required. Permanent Page 6 of 9 landscaping will be installed at completion of the building construction. Element 7: Protect Drain Inlets The new catch basins will be protected with silt screen fences during construction in accordance with detail shown on Sheet 2 of the stormwater plan. The driveway accessing onto SR 19 will be maintained in as clean as possible state to prevent sediment tracking onto the State Highway. Element 8: Stabilize Channels and Outlets The site drainage does not affect any channels or outlets . Element 9: Control Pollutants As required by the SMM, all pollutants, including waste materials and demolition debris that occur on-site during construction shall be handled and disposed of in a manner that does not cause contamination of storm water. Maintenance and repair of heavy equipment and vehicles involving oil changes and other maintenance work shall be conducted using spill prevention measures such as drip pans . Wheel wash or tire bath wastewater shall be discharged to a separate on-site treatment system. Element 10: Control De-watering No de-watering is anticipated with this project. Element 11: Maintain BMPs All temporary and permanent erosion and sediment control BMPs shall be maintained and repaired as needed to assure continued performance of their intended function. All maintenance and repair shall be conducted in accordance with the requirements of the State SMM. Sediment control BMPs shall be inspected weekly or after a runoff-producing storm event during the dry season and daily during the wet season. All temporary erosion and sediment control BMPs shall be removed within 30 days after final site stabilization is Page 7 of 9 achieved or after temporary BMPs are no longer needed. Trapped sediment shall be removed or stabilized on site. Disturbed soil areas resulting from removal of BMPs or vegetation shall be permanently stabilized. Element 12: Manage the Project All aspects of this Stormwater Control Plan and the Construction Stormwater Pollution Prevention Plan will be in place in accordance with the sequencing of the work and will be properly maintained by the contractor during construction and by the property owner upon completion and occupancy of the new structure. SECTION 2.5.3 MINIMUM REQUIREMENT #3: SOURCE CONTROL OF POLLUTION This report and plan is consistent with the intent of the SMM to prevent stormwater from coming in contact with pollutants. As discussed above in the Elements, considerations have been employed with respect to the equipment on the site during construction to prevent pollutants entering the stormwater system. SECTION 2.5. 4 MINIMUM REQUIREMENT #4: PRESERVATION OF NATURAL DRAINAGE SYSTEMS AND OUTFALLS There are no natural drainage systems other than sheet flow across this property. The stormwater flows from the pavement areas will be captured on-site and infiltrated as noted. SECTION 2.5.5 MINIMUM REQUIREMENT #5 : ON-SITE STORMWATER MANAGEMENT The SMM principle goal is to infiltrate where possible. This plan has incorporated infiltration as a part of the storm water system. SECTION 2.5. 6 MINIMUM REQUIREMENT #6 : RUNOFF TREATMENT Each proposed catch basin is to be fitted with an oil/water separator per the standard detail. The bioswale will receive the stormwater from the catch basins and provide treatment prior to the infiltration where possible. Page 8 of 9 SECTION 2. 5. 7 MINIMUM REQUIREMENT #7: FLOW CONTROL The infiltration trench has been sized in accordance with the DOE WWHM3 program. SECTION 2.5. 8 MINIMUM REQUIREMENT #8: WETLAND PROTECTION No wetlands are associated with this project . SECTION 2.5. 9 MINIMUM REQUIREMENT #9:BASIN/WATERSHED PLANNING There is no designated basin stormwater plan for this area. SECTION 2.5. 10 MINIMUM REQUIREMENT #10: OPERATION AND MAINTENANCE An Operation and Maintenance manual is attached and provides for the maintenance procedures for the facilities proposed by this plan. The property owner will be responsible for the maintenance of all the stormwater facilities. SUMMARY In summary, the stormwater requirements are as shown on the attached copy of the engineered site plan illustrate the stormwater facilities proposed for the project that will infiltrate the projected stormwater flows. Upon completion of the construction and prior to fmal project approval, the Public Works Department will prepare a Stormwater Management Facility Maintenance Agreement for the East Jefferson Fire Rescue District No. 1 that is to be recorded with the Jefferson County Auditor. TEMPORARY EROSION AND SEDIMENT CONTROL Temporary silt fences will be placed along the site as necessary to provide erosion control during construction. Landscaping of all exposed soil will be completed as soon as possible to prevent any offsite soil deposition. Page 9 of 9 ATTACHMENT I PLANS 1a__1°26'57"E 83.79' r17- -----7 Y A O 0 0 � moc 120 03 00 Z D ** ° ri /— taa ° L=12' Li ^ o x z O-o 0 �l C7 N V l Z .3 0 C7 Z .i -."°°1111111172' ■.' 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L LL. 1- F- W m J Q. i .J J J J J r' g ��� 1- F p . . , . , , , , , 4.....,,,,„_, ,,,.,, . .. . ,. . ... , „ , „a,�r .. .., 11—.=-1,„:... , , • , kfifil, . , .. ,,,,......: . . ., 1 ....0 . . • , , ....ii ; ig ; i>; 1 iv .ill . . . .. . ,.,,..,,,....„., . ..,„, . .. ...., ,,, , „ .,‘ , NEE.. 1 _ �Y T 4 �v 1 1S'I.1tJ41 ltJftL 0,1-10#J 2lv x x a !' �, {[ ! 4 1 C 4 }}�.1P 4 1. W I_li ,T; ftrir ;4 4 :4' r n � s — 7 a �, 1 a ! d • a E t o ca g a L z Q ,: _ 4 = L; ■ ¢ r 4 , , ; +� , - o , i •w[.c.� ii t d ,t: cc s. �, o VJ 0 C m m N iil Q ii-H s F x m '1 1 _ ■.D t iiP I 7' 1 H it . "` v` !, 11 ir • I , 1 i H f ii;1 Al A •= II 3 71., d P I� . -..-- q..,--, rb ' 141A , i 1 'ill if 1!-'11 1-' , _'?, _ 1 s 1.I o p I 7 S. t V34 i 'r i 4 ATTACHMENT III STORMWATER FACILITIES O & M MANUAL o &M MANUAL Page 2 of 3 This STORMWATER MANAGEMENT MANUAL utilizes the following references: 1. Stormwater Management Manual for Western Washington: Volume V (Washington Department of Ecology, April, 2005); 2. The Jefferson County adopted Stormwater Standards; 3. The"LOW IMPACT DEVELOPMENT"Technical Guidance Manual for Puget Sound, January 2005. The maintenance schedule shall consist of the following describes elements: 1. Semi-annual sweeping of all pavement areas; see reference Vol. V Section 12.6.5 "High Efficiency Street Sweepers" 2. After each significant storm event,the catch basins shall be inspected for level of sedimentation. The sediments shall be removed at that time and at a minimum of every 6 months. 3. After each storm,the biofiltration swale shall be cleared of any debris. 4. The biofiltration swale shall be mowed at the beginning of spring and fall or by March 15`h and October 15 each year. The grass debris shall be removed from the site and disposed at an approved DOE site. Sediment in the bottom of swale that exceeds 2"shall be removed. See Vol. V, Section 9.4, "BMPT9.10"Basic Biofiltration Swale". Catch Basins: A Type 1 catch basin is a rectangular box with approximate dimensions of 2'x2'x5'. Type 1 catch basins are utilized when the connected conveyance pipes are less than 18 inches in diameter and the depth from the gate to the bottom of the pipe is less than 5 feet. Both types typically provide a storage volume (sump) below the outlet pipe to allow sediments and debris to settle out of the stormwater runoff. Some catch basins are also fitted with a spill control device (inverted elbow on outlet pipe) intended to contain large quantities of grease or oils. The most common tool for cleaning catch basins is a truck with a tank and vacuum hose (vactor truck) to remove sediment and debris from the sump. A catch basin may be an enclosed space where harmful chemicals and vapors can accumulate. The cleaning work should be conducted by an individual trained and certified to work in hazardous confined spaces. O &MMANUAL Page 3 of 3 Bioswale: A biofiltration swale uses grass to filter sediment and oily materials out of stormwater. Usually they look like flat-bottomed channels with grass growing in them. Biofiltration uses vegetation in conjunction with slow and shallow-depth flow for runoff treatment. As runoff passes through the vegetation, pollutants are removed through the combined effects of filtration, infiltration, and settling. These effects are aided by the reduction of the velocity of stormwater as it passes through the biofilter grass element. Biofiltration swales provide stormwater quality control(treatment) and are stormwater treatment devices that must be properly maintained to sustain pollutant removal capacity. Infiltration Trench: A stormwater infiltration trench is a closed basin built by excavating below existing ground. Infiltration trenches temporarily store stormwater runoff during rain events. Infiltration trenches rely on the ability of the site's soils to infiltrate the stormwater into the ground. N R a ...A. 11 r 0 0 xi r n z a - 0 © 1> CD 0 O (100 O 1 129-9 2-0" 10•-0" 9-6- 9'6"i 9.6" 0.7 • 14'-10" I 78 I 5-1" , 96" , 99 , I96" + 5,5" 4.-1" + 4..T 5" • 96"I • BS @ _ , o_ fi o_ ® 0; 0 0_ •_0 0 o Q 0, ,.N• eke' 0.0 i;$ p i 1141111 ,3 WA I ® 6 ;� 0 re ! . O. ,NN, P° il�i,e il+:: ® o + OI zi 1 IIi , _,4L r I p ! _ 6� � I m til I� y '•...® m X11 I —+''§ w rn k I I r OT I° i §ea A v Jo . - , • n o ,, . 1 I 8 , --"- Nit i 1. , I ig II m ,D =D J I o� I� I _ ® �I i O 1T1 m CO z"m ° ■ I 5 - --- _ O^^ N lI Q° - __• .-.� 118 , •119 - - .-�� � g) D Vii. . c) �� ©�y 1 tit. 150 411, V �Z i o ,141114161 ,:i g ,CO a o 0 j ® 0 I Cr) ..■ _ _ j_____I_ f,7.• 11.1 . a II � Q j 0 i 4 -{- j i i j 0 8 I I 0, I 10 —d • O 0 —or ,o--4-4- I Lm Z p •• 0 O ®©0 0 O m > I - cn w I O T T `7 i-r ,_____:;. (ci,) 1 T-1:1\ p d p < O Z =:=- C ,� x 1 M" /"1"1 6 a i -3 N N ip ,� " oN co6� JEFFERSON COUNTY W '\.� DEPARTMENT OF COMMUNITY DEVELOPMENT j� 5,- --, . 621 Sheridan Street • Port Townsend • Wa 91.,..r.:,:1414 E v xl`�BINO,Q 360/379-4450 • 360/379-4451 Fax 1 http://www.co.jefferson.wa.us/commdevelo 1 JUN _ 4 2012 L Stormwater Calculation Workshe t JEFFERSON COUNTY DEPT OF COM MUNITY BEVFI nPMFNI MLA# 1 Q� PROJECT/APPLICANT NAME: / /MA /V4114 I (2 57k7O! 1 DETERMINING STORMWATER MANAGEMENT REQUIREMENTS: This stormwater calculation worksheet should be completed first to classify the proposal as "small,""medium,"or"large." The size determines whether a Stormwater Site Plan is required in conjunction with a stand-alone stormwater management permit application, building permit application, or other land use approval application that involves stormwater review. The basic information will also be helpful for completing a Stormwater Site Plan, if required. PARCEL SIZE(I.E.,SITE) Size of parcel `E acres An acre contains 43,560 square feet. Multiply the acreage by this figure. Size of parcel in square feet ,356 sq/ft Land-disturbing activity is any activity that results in movement of earth, or a change in the existing soil cover(both vegetative and non-vegetative) and/or the existing soil topography. Land disturbing activities include, but are not limited to clearing, grading, filling, excavation, and compaction associated with stabilization of structures and road construction. Native vegetation is vegetation comprised on plant species, other than noxious weeds,that are indigenous to the coastal region of the Pacific Northwest and which reasonably could have been expected to naturally occur on the site. Examples include species such as Douglas fir,western hemlock,western red cedar, alder, big-leaf maple, and vine maple; shrubs such as willow,elderberry, salmonberry, and salal; herbaceous plants such as sword fern,foam flower, and fireweed. LAND DISTURBING ACTIVITY,CONVERSION OF NATIVE VEGETATION,AND VOLUME OF CUT/FILL Calculate the total area to be cleared,graded,filled, Answer the following two questions related to excavated,and/or compacted for proposed development conversion of native vegetation: project. Include in this calculation the area to be cleared for: Does the project convert%acres or more of Construction site for structures f///Oe sq/ft native vegetation to lawn or landscaped areas? Drainfield, septic tank,etc. ` 0Oa sq/ft Circle: Yes No Well, utilities,etc. `--- sq/ft Does the project convert 21/2 acres or more of native vegetation to pasture? Driveway, parking,roads, etc. 4r '727 sq/ft Circle: Yes No Lawn, landscaping, etc. £ '/ ®a sq/ft Other compacted surface, etc. ICi J sq/ft Indicate Total Volumes of Proposed: Total Land Disturbance ?] 2 sq/ft Cut Fill ,— (cu/yd) [over] stormwater talc worksheet Rev 9-9-2010—REV.9(9/2010 1 Impervious surface is a hard surface that either prevents or retards the entry of water into the soil mantle as under natural conditions prior to development. A hard surface area which causes water to run off the surface in greater quantities or at an increased rate of flow from the flow present under natural conditions prior to development. Common impervious surfaces include, but are not limited to roof tops, walkways, patios, driveways, parking lots or storage areas, concrete or asphalt paving, gravel roads, packed earthen materials, and oiled, macadam or other surfaces which similarly impede the natural infiltration of stormwater. STORMWATER CALULATIONS-IMPERVIOUS SURFACE NEW / EXISTING Structures(all roof area) ///o s sq/ft Structures (all roof area) 69z./ sq/ft Sidewalks M--- sq/ft Sidewalks 40Z72.2 sq/ft Patios sq/ft Patios sq/ft Solid Decks sq/ft Solid Decks sq/ft (without infiltration below) ��� (without infiltration below) `/?/� Driveway, parking, roads, etc 04-b70 sq/ft Driveway, parking, roads, etc c j Z- sq/ft Other (t.-A 7, j(r1) ..Y1-re " sq/ft Other �-/-�"'- sq/ft Total New z /`T sq/ft Total Existing [ b f sq/ft TOTAL NEW+TOTAL EXISTING* sq/ft *This amount will be used BY STAFF to check total lot coverage. The following questions will help determine whether the proposed project is considered development or redevelopment. DEVELOPMENT v. REDEVELOPMENT 3 (? Divide the total existing impervious surface above by the size of the parcel and convert to a percentage: 3 % Does the site have 35%or more of existing impervious surface? Circle: 4WD No FURTHER INSTRUCTIONS: If the answer is yes, the proposal is considered redevelopment and the attached Figure 2 should be used to determine the applicable Minimum Requirements. If the answer is no, the proposal is considered new development and the attached Figure 1 should be used. At this juncture, the applicant should refer to the applicable Flow Chart to determine the Minimum Requirements for stormwater management. DCD staff will help verify the classification of the project and the application requirements. For proponents of "small" projects who must comply only with Minimum Requirement #2—Construction Stormwater Pollution Prevention—an additional submittal is not required. The proponent is responsible for employing the 12 Elements to control erosion and prevent sediment and other pollutants from leaving the site during the construction phase of the project. Pick up the Construction Stormwater Pollution Prevention (SWPP) Best Management Practices (BMPs) Packet. Proponents of"medium" projects—those that must meet only Minimum Requirements #1 through #5—and for "large" projects—those that must meet all 10 Minimum Requirements—are required to submit a Stormwater Site Plan. DCD has prepared a submittal template of a Stormwater Site Plan, principally for rural residential projects. Complete the template in the Stormwater Site Plan Instructions and Submittal Template or prepare a Stormwater Site Plan using the step-by-step guidance in the Stormwater Management Manual. APPLICANT SIGNATURE By signing the Stormwater Calculation Worksheet, I as the applicant/owner attest that the information provided herein is true and correct to the best of my knowledge. I also certify that this application is being made with the full knowledge and consent of all owncr of the affected property. (LA OWNER OR AUTHORIZED RESENTATIVE SIGNATURE) 1,t,�--- (DATE} �r �+II7 �y reYn1a a� M1 � fa v s, as r 3� '.:�H�*^ Fs" � s« t�`* *�bc�,�' 7 � ..FOR OFFICU #L►"r .a'.r AN: V. '`r z'y.�sk V '" �' a a'; `'? " z, X ss a:e.,.n-ya#'�4 �S^r 4 4 f k z,�t .!� . 7:'l .,3.k y' 4 x+' :r . 75, as c a +i t v � s f�.� >5 a �3 �`' xk $� � 3 sk '1�.�' r` � � 6. ��' ^x 3 F s 7 s 1m` stt .-rk 8 r r ■� W^ 'ro r' _ 0 .K,'g, t o i 3r, itk- 2 n 'gam S Y.M; 'k'3. g4 D LdPllilot. b A& ® i n A' 4 ... "'yam. ,' N ,'- .. ��a�.�l=a.� ..n.n� .,,s "�A LL ��-,t.aY.'H'�:��Y,�f,,,a h� ���R,e:,��`F�.`����. � e^' � stormwater talc worksheet Rev 9-9-2010—REV 9/9/2010 2 Lisa Yobbagy-Keller From: Michael [santiago2 @cablespeed.com] Sent: Thursday, May 31, 2012 1:13 PM To: Lisa Yobbagy-Keller Subject: FW: Chimacum Fire Station Lisa Public Works is apparently satisfied with regards to the stormwater report for the Fire Station the architect is coming to town on Monday to file for the building permit what will you require additionally to satisfy the requirements regarding storm water for the site? thanks Michael From: Jim Pearson fmailto:joearson @co.jefferson.wa.usl Sent: Tuesday, May 29, 2012 9:45 AM To: Michael Subject: RE: Chimacum Fire Station Michael, I emailed you my comments regarding the stormwater report for the fire station on April 25.You responded with a revised stormwater report dated May 10. I have reviewed that report.You responded to my comments. Public Works has no further comments on the stormwater report. Jim Pearson Jefferson County Public Works Department 623 Sheridan Street Port Townsend,WA 98368 (360) 385-9162 (360) 385-9234 Fax From: Michael fmailto:santiaao2 @cablespeed.coml Sent: Thursday, May 24, 2012 7:39 AM To: Jim Pearson Subject: Chimacum Fire Station Jim got this in the mail last week where do we stand with regards to review? Michael 1 Zoe Ann Lamp From: Zoe Ann Lamp Sent: Wednesday,August 08,2012 9:38 AM To: Frank Benskin; Carl Smith; Randy Marx Subject: RE:fire station I'll add it to the Expedite Queue. Thanks! Zoe Ann From: Frank Benskin Sent: Tuesday, August 07, 2012 4:23 PM To: Zoe Ann Lamp; Carl Smith; Randy Marx Subject: fire station Hi Zoe, It looks as though MLA 12-124 has not received a planner yet. I wonder if this project could be moved to the expedited que? I'll be sighing off PC on 8/13/2012 when I return from vacation. Thanks for all that you do Frank Prank benskin 15uilding Plans Examiner 2,ADA Plans Examiner,IKesidental building Inspector Commercial building Inspector,ADA Inspector,Fire Inspector 1 Certified]=rosion and Sediment Control Lead Jefferson County DCD 62151-tericlan Street Port Townsend,WA. 98368 36O7941- 1 fbenskin @cojefferson.wa.us ICI 1 Zoe Ann Lamp From: Randy Marx Sent: Tuesday,August 07,2012 4:45 PM To: Frank Benskin;Zoe Ann Lamp; Carl Smith Subject: RE:fire station Application came in on 6/4/12 and was signed off by health on 6/22/12 Zaxd� T�Srzx Always Working For a Safer& Healthier Jefferson County 360 385 9402 ><(((('s ><ttr°> ><( ((> ><((((0> > ><((((0> >< (( °> ><((((> ><((((°> ><> ><> ><{{{"> ><»<>><(((r> ><{{{"> ><( ( °>><( ((.> ><((((0> ><(((( > ><((((°> ><{{{°> ><( ((0> Online Septic Permits Web Link Environmental Health Web Site Link. CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipients) and may contain confidential and privileged information. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message PUBLIC RECORDS ACT NOTICE: Ail e-mall sent:to this address has been reLeis ed bs the Jefferson C:ouniv mHind st'stoni end is olio iok iv'saw,tin the Public Records.A 1 a sintr ni found at 1,101 42.56 C ndei the Public Records iniv ttui County must release this e-mail and its contents to am) person who asks to obtnin a cops (or ror inspection)of this e-mail unless it is exempt from disc losuin under state lax,‘,including RC"W 42.56. From: Frank Benskin Sent: Tuesday, August 07, 2012 4:23 PM To: Zoe Ann Lamp; Carl Smith; Randy Marx Subject: fire station Hi Zoe, It looks as though MLA 12-124 has not received a planner yet. I wonder if this project could be moved to the expedited que? I'll be sighing off PC on 8/13/2012 when I return from vacation. Thanks for all that you do Frank Prank genskin Building Plans Examiner 2,ADA Plans Examiner,Residental building Inspector Commercial building Inspector,ADA Inspector,Fire Inspector I Certified Erosion and Sediment Control Lead i Jefferson County DCD £2I Sheridan jtreet Port Townsencl,WA. 98368 360 379 41-61 fbenskin@cojefferson.wa.us 1 August 29, 2012 JEFFERSON CO FIRE DISTRICT#1 40 SETON RD PORT TOWNSEND WA 98368-9799 RE: SITE ADDRESS: 9193 RHODY DR MLA#: MLA12-00124 Dear JEFFERSON CO FIRE DISTRICT#1: Jefferson County Department of Community Development staff has reviewed the application materials for the above project proposal and has determined that the application is substantially complete. Additional information needed for project review may be requested in writing by the Director or Project Planner. Please call the Department of Community Development if you have any questions. Sincerely, Department of Community Development Staff c: File August 29, 2012 Dear Reviewer, RE: MLA12-00124 Jefferson County has forwarded the attached application to you for review and comment because your agency is responsible for determining compliance with state and federal requirements or may otherwise be affected by the following proposal: Comments must be received within fourteen (14) calendar days or by September 12, 2012. If no written response has been received within fourteen (14) days, your agency will be presumed to have no comments. If necessary, the UDC administrator may grant an extension of time for comment. Please contact at(360)379-4450 if you desire an extension of time or have additional questions regarding this proposal. Thank you in advance for your attention to this matter. Sincerely, c: , \\tidemark\data\forms\F_MLT AppSubstComplt.rpt 8/29/2012 BUILDING PERMIT APPLICATION RLev ewTpe: I Jefferson County Department of Community Development 621 Sheridan Street Port Townsend, WA 98368 PERMIT#: BLD12-00168 Received Date: 6/4/2012 SITE ADDRESS: 9193 RHODY DR CHIMACUM, 98325 OWNER: JEFFERSON CO FIRE DISTRICT#1 PHONE: 360-385-2626 40 SETON RD PORT TOWNSEND WA 98368-9799 SUBDIVISION: Block: Lot: TX 92 PARCEL NUMBER: 901142033 Section: 14 Township: 29 N Range: 01 W CONTRACTOR: OWNER/BUILDER PHONE: REPRESENTATIVE: PHONE: PROJECT DESCRIPTIOr NEW FIRE STATION TYPE OF WORK COM SQUARE FOOTAGE: COMMERCIAL: 11,251 TYPE OF IMP NEW MAIN: INDUSTRIAL: VALUATION 1,400,000.00 ADD'L: HEAT TYPE: PRO CODE EDITION: 2009 HEAT BASE: HEAT TYPE: OCCUPANCY: UNHEATED: #OF STORIES: OCCUPANCY: OTHER: CONST TYPE: GARAGE: SHORELINE: CONST TYPE: DECK: SETBACK: BANK HEIGHT: SEWAGE DISPOSAL: ALT NUMBER OF EMPLOYEES: WATER SYSTEM: 05783 5 BATHROOMS: Exis • 'r 5 Total: 5 Routing ate: Type -Amount-Paid By: Date: Receipt: Approved/Date Total: - ` r` b . JEFFERSON COUNTY t DEPARTMENT OF COMMUNITY DEVELOPMENT 621 Sheridan Street• Port Townsend •Washington 98368 360/379-4450 . 360/379-4451 Fax ,�C) www.co.jefferson.wa.us/commdevelopment Master Permit Application MLA: 10 - O Project Description(include separate sheets as necessary): Construction of a new Chimacum Fire Station#1-1 on the existing Fire Station#1-1 site. Tax Parcel Number. #901-142-033 Property Size: 1.466 acres/63,864 sf (acres/square feet) Site Address and/or Directions to Property: 9193 Rhody Drive; Chimacum WA Property Owner(s)of Record: East Jefferson Fire Rescue Telephone:(360) 385-2626 Fax: (360) 344-4604 email: gpomeroy @ejfr.org Mailing Address: 40 Seton Road, Suite A; Port Townsend, WA 98368 Applicant/Agent(if different from owner): Telephone: Fax: email: Mailing Address: What kind of Permit?(Check each box that applies Building ❑Critical Areas Stewardship Plan ❑ Demolition Permit ❑Variance(Minor,M-;• - -.__ - ••• ❑Single Family ❑Garage Attached/Detached ❑Conditional Use[C(; , •f 1_� • ❑ F Manufactured Home ❑ Modular ❑ Discretionary"D'or$'$ 'vita El Commercial* ❑Special Use(Essentia •lic Facilities)** ❑ Change of Use ❑Boundary Line Adjuis } ❑ Address ❑Road Approach ❑Short Plat** 1;1 JUN - 4 ❑Home Business ❑Cottage Industry ❑Binding Site Plan** ; 120 ❑Propane ❑Long Plat** " ❑Sign ❑Planned Rural Residential Devi -i .T -nd nts** ❑Allowed"Yes'Use Consistency Analysis ❑Plat Vacation/Alteration'tfEPT OF COMMON TY DE E_IPMENT ❑Stormwater Management ❑Shoreline Master Program em•10 7-- - • - ❑Site Plan Approval Advance Determination(SPAAD)* ❑Shoreline Management Substantial Development** ❑Temporary Use ❑Shoreline Management Variance ❑Wireless Telecommunication* ❑Comprehensive Plan/UDC/Land Use District Map Amendment ❑Forest Practices Act/Release of Six-Year Moratorium ❑Jefferson County Shoreline Master Program Amendment *May require a Pre—Application Conference ❑Tree Vegetation Request **Requires a Pre-Application Conference Please identify any other local,state or federal permits required for this proposal,if known: State Highway Access Connection, C.U.P. (ZON12-00011),and Variance(ZON12-00012) Permits have been submitted and are pending DESIGNATION OF AGENT I hereby designate to act as my agent in matters relating to this application for perrnit(s). OWNER SIGNATURE Date: By signing this application form,the owner/agent attests that the information provided herein,and In any attachments,is true and correct to the best of his,her or its knowledge. Any material falsehood or any omission of a material fact made by the owner/agent with respect to this application packet may result in this permit being null and void. I further agree to save,indemnify and hold harmless Jefferson County against all liabilities,judgments,court costs,reasonable attorney's fees and expenses which may in any wa accrue against Jefferson County as a result of or in consequence of the granting of this permit. I further agree to pro '•e a•• - and right of e•• • -- =rson County and its employees,representatives or agents for the sole purpose of application review and any req . • inspections. -ffs a--- :and right of entry will umed unless the applicant informs the County in writing at the time of the appr—•on he • - • ••r no -. C )ignature: d 4 _ i Date: The action or actions•licant will undertake a result of the Issuance of this it may negatively impact upon one or more threatened or endangered species and could lead to a potential"take"of an endangered species as those terms are defined in the federal law known as the "Endangered Species Act"or"ESA."Jefferson County makes no assurances to the applicant that the actions that will be undertaken because this permit has been issued will not violate the ESA. Any individual,group or agency can file a lawsuit on behalf of an endangered species regarding your action(s)even if yo are •mpliance -Jefferson County development.••e.The Applicant acknowledges that he,she or it holds individual and non-transfe•-•le } ••4t ibility for =dhering o and complying with the E •_ The A•• =nt has read this disclaimer nd signs and dates it below. ignahrre: �� , ✓ " _s Date: ��,�'/ `2 G:\PenmtCenter\###FORMS###\DRD FORMS\Master Permit Application 5-29-08.doc ., Af BUILDER STATEMENT The signer of this sy,a,, nt does hereby«• that th- are the Ownrs . the parcel referenced herein,that they are not licensed contractors and that they will be ass , T'_ .,nsibility •, y=Gene = •nrractor for thee, • ••<=• project. s MI GENERAL CONTRA OR OR MANUFACTURED HOME INST R: PHONE: FAX: ( ) ( ) MAILING ADDRESS: EMAIL: CONTRACTOR'S LICENSE WAINS NUMBER: NUMBER ARCHITECT/ENGINEER: PHONE ( ) FAX:( ) MAILING ADDRESS: EMAIL Project Type: Frame Type: Bathrooms: Shoreline: Type of Sewage Disposal: X New Xl Wood Existing: - ❑ Sewer ❑ Addition ❑ Steel Proposed: 5 Bank ❑ Community System ❑ Alteration/Remodel ❑ Concrete Total: 5 Height: ❑ Individual System ❑ Repair ❑ Masonry - SEP Permit# SEP12-00028 ❑ Demolition ❑ Other. Bedrooms: Water Supply: Existing: - Setback: ❑ Private well 0 Two Party Type of Heat: Proposed: 5 ]q Public Propane Total: 5 - Name of System: Quimper Water System If this is a Commercial Protect you must answer the following: (� Number of Parking Spaces: Current - Proposed: 36 [ Pa,iJa�,�. ; ,.�: 2 Number of occupants(includes owners,tenants,employees,etc) Current I Proposed ll IBC Occupancy: Mixed Use IBC Type of construction: V-B ou ha ood Service? Y-.��.(�� If this is a Propane Tank and/or Appliance Installation permit,mark all items be �plv: 2012 - i Underground Tank 1 Above ground Tank Size of Propane Ta.i il i Heat Stove i Cook Stove i Woodstove i Fireplace Insert 1 Hot Water Tank '- r-''''"1-`"`;COU 4 Is this appliance being installed in a Mflnufactured/Mobile Home? Yes /!No DEPT.OF COMMUNITY DEVELOPMENT When applying for a permit to install a propane tank you must also submit a site plan sho ng a • = •' • gs,all property lines,tank location and size,distances from the propane tank to all property lines,buildings and septic system components, including the reserve area. S.uare Footer.e Current • . . •_ d " i . , , , Main Floor Heated 5,078 sf ' `' EH Bid App Review: c--51(7 i Office&Crew Areas 2"0 Floor Heated _ ,, Consistency Review: Other Heated ' ' Base fee: riC) 6,173 sf , Apparatus Bay& Support -{ `����,' � , Mezzanine - - ' Additional Section: .ri Heated Basement , Plan Check fee: _ ` / Unheated Basement _ �.£ 1 State Surcharge fee: A''A,....-.,,,,I.,4 Other Unheated _ . Pot Water Review fee: .ik(s i Garage/Carport - , rte SUBTOTAL 1Q 61 �., te , ) '44 Decks - 911/Rd Approach fee: rr wn ,l Other - •` . TOTAL: $ 0 U ' I ,Q4• •' ,' ' Receipt Number: r 41, cash/check Number. ST(REQUIRED) Date: •Fair market value of and materials foundation to finish $1,400,000 Initials: • G:\Pem'tCenter\###FORMS###\DRD FORMS\Master Permit Application 5-29-O8.doc 37 -I X )E -b m cn -I -b x -I -I CD m -- -• 0) -o o m x o_ (-) r+ x 0) c) -3 v 0) o — -o -3 C) 0) < C. CD 0) C) CD 2 C_ C -• CD CC CD CD M CD r+ O CD - o 7C -n -5 E -$ -- cD T O O # CC - N CD C7 CA) -+ -5 C O O O -• 0 O L CO m o -n m -P N CO O O CA C CO - CO O H- - 0) L 'O - C- C) - r+ rn C7 -1 CO 03 O 0 rn 0 N C TI 2 D -1. 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(Ala c i ?J ) 2in({,f UDC CONSISTENCY REVIEW P -.-ctP < Master#MLA12-00124 Review Type Project Description BLD12-00168 I NEW FIRE STATION V I Primary: JEFFERSON CO FIRE DISTRICT#1 Site Address: 40 SETON RD 9193 RHODY DR PORT TOWNSEND WA 98368-9799 CHIMACUM WA, 98325 Project Location: Parcel number 901 142 033, Section 14, Township 29N, Range 1W, WM, located at 9193 Rhody Drive, Chimacum 98325 Parcel Number: 901142033 S-T-R: 14-29N-01W Total Acreag< 1 ,4 Legal Description S14 T29N R1W TAX 92(BND BY BLA#112927) Land Use: 6722 CHIMACUM FIRE HALL Flood District: Fire District: 1 Planning Area: 4 Flood Map(FIRM)Panel No: School 49 Zoning: COMP PLAN DESIGNATION: Q. -' COMMUNITY PLAN: UGA: G Trans MPR: WA ER SUPPLY UTILITY: Service Area7L)(.,4 PUD: .41 Plot plan states "property line" • Ilf, Assessor's Map (Property lines on submitted plot plan must match the property lines as identified on the Assessor's 1/4 map) £4. Legal Access to Property YES NO 40, Parcel Tags or Scanned ments Y No If , ESA's: Special Reports Nearby YES NO Designated Ag YE NO g r F© f Shoreline Designatio N ES O. 1, ?9 Shoreline Slope St.t• •% : YES NO Stream Type YES NO Fish&Wildlife: l Wetlands: YES 07.0 Rare Plants:YES N 0 Seismic: YES NO Landslide: YES NO ' Flood: YES I�►r ' , Erosion: YES NO ■ Aquifer Rec s. to Are.6 NO j minun! 11WIP SIPZ: , non- At 'isk High Risk Coastal 4, CMZ: no17" High Risk Risk Disconnected MZ Stormwater • e plan sui • co Yes o F'1, <44 Forest Lands: YES NO Adjoining Forest Lands: _ Commercial/ Rural/ Inholding J Mineral Lands: YES Agricultural Lands: YES O., Archaeology: YES CNO Stormwater: New Impervious Surface_S i7"1 2.—Land Disturbing Activity 1I-3 �'q 2._ ESA's Stormwater Re 's: Min Re #2 in Re #1 thru#5 Min Re #1 thru#10 Engineeri q 9 9 g 4, Notice Provisions/Di e: Airport YES NO RL YEs Forest Lands YES /� Landscaping Required rrO No , Parking Spaces R-: -d NO 2(Othe .3(%) t Building Height UBC Standard `` Impervious Surface coverage percentage: 0 A s 7 -. Resource Lands&Public: 10% Rural Residential: 25% `Rtfal Industrial: Per UDC Sec 6.7 Rural Commercial: 60% of Building Coverage:60%in Rural Industrial Lands only Total Building(s)Size: (+ O j RVC:20,000 SF CC:5,000 SF'NC:7,500 F GC:10,090 SF All others:subject to sepgc&water corstrair>tslNone specified c- Setbacks: Front: r Left Side: / Right Side: / Rear: „_5'Shoreline Setback: n LSHA Setback: t C-Y----Road Classification:i"tMI/TEjja ffla II► , Road Appro.-� NOT REQ'D SEPA Requir-- EXEMPT w �VNOW G L " Li() fcetkoite4A Flood Certificat-' JU [ Existing Case(s) &Condition(s):� • Violations: Yes Noy V Recorded Date of Subdivision: tO / / .. AFN Over 5yrs=UDC Plat Conditions: 6 <5yrs=Plat Conditions on plat or Old Ordi• . ce 4 Lots/Require Declaration of Restrictive Covenant YES NO, submitted: YE NO i, UGA No Protest Agree - 1 YES NO, submitted: YES�0 Site Visit conducted wo NO•ADMIN:Setbacks entered in Permit Plank T�N/A YES New Parcel Tags entered in P rmit Plan YE Special Reports Scanned (Ni) YES No parcel tags found for parcel Associated CASES status issued finaled description 901142033 BLD12-00155 P DEMO EXISTING FIRE STATION&MODULAR HOME OTH96-00070 P SEP83-00008 F 8/18/1983 10/11/1983 Now filed w/SEP97-149 BLD92-00610 C 9/17/1992 storage mezzanine BLD97-00372 F 7/1/1997 7/6/1998 INSTALL MANUFACTIRED HOME FOR FIRE DISTRICT USE SEP97-00149 F 7/9/1997 7/28/1997 CAR99-00003 F 1/11/1999 1/11/1999 modular office building for fire station BLD98-00804 F 3/22/1999 3/15/2000 modular office building for fire station MLA12-00071 SEP12-00028 A 4/26/2012 sep97-149 filed here MLA12-00074 PRJ12-00051 ZON 12-00011 .4 (,/93,i The proposal is to construct a new fire station consisting of • 11,500 square feet and will include parking areas and landscaping.A variance application has also been submitted with the conditional use permit to allow construction of the new fire station to vary from JCC Section 18.30.050 requirement of 7,500 square foot maximum building limit for proposals located within the Neighborhood Commercial(NC)zones. This variance is to allow an 11,500 square foot building to house an office,kitchen,workout room,crew sleeping quarters, public meeting room,and apparatus bays to all be located within one structure as recommended by the modern fire station design and construction standards. The fire station is an essential facility providing for public safety and is a vital part of the Chimacum community. The project is served by the Quimper public water system and an on-site septic system. The new building is approximately 11,108 square feet with sidewalk areas consisting of approximately 1,459 square feet,a patio of 575 square feet and a refuse area of 80 square feet. The parking and driveway areas consist of approximately 24,863 square feet. Two public parking lots will be located to the front of the fire station,one to the north(11 stalls),and one to the east (14 stalls),and an additional parking lot to the south(11 stalls) will be provided for occasional overflow parking as well as crew parking. Landscaping will be provided around the perimeter of the parcel and in the front adjacent to SR 19(Rhody Drive). The new structure will be approximately 105 feet from the right-of-way of SR 19(Rhody Drive). The new building and new parking areas will include a drainage bioswale where the existing topography will allow and catch basins to capture the storm water runoff from the on-site parking areas. The roof area of the new building will drain in tight lines to the existing underground systems. The rear parking area will be served by an additional infiltration trench.To correct a problem with water ponding in the SR 19(Rhody Drive)area in front of the post office to the west of the entry to the fire station, a catch basin system was constructed within the existing pavement that drains to an infiltration system constructed on the fire station property by WSDOT. ZON 12-00012 4?i N i The variance is to allow construction of a new fire station consisting of 11,500 square feet and to vary from the JCC requirement of 7,500 square feet building limits for proposals located within the Neighborhood Commercial(NC)zones as required by the JCC Section 18.30.050. This variance is to allow one building to house an office,kitchen,workout room, crew sleeping quarters,public meeting room,and apparatus bays to all be located within one structure as recommended by the modern fire station design and construction standards. The fire station is an essential facility providing for public safety and is a vital part of the Chimacum community. MLA12-00124 BLD12-00168 P NEW FIRE STATION OTH 12-00005 P 1 HOUR TECHNICAL ASSISTANCE PRE12-00001 F 2/14/2012 (PRE12-00001 now filed with MLA12-00074) PRE APPLICATION FOR DEMO&NEW CONSTRUCTION OF FIRE STATION PRE99-00002 C 2/4/1999 Renovation and addition to the existing fire station building in three phases. SOM97-00149 F