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HomeMy WebLinkAbout#154 Lawrence Street Bridge~f ,~: ;~F~~ PLANS acrd SPECIr'ICATIONS ~~'~~ for T~A~A7h'.FRTrE STI~.EET UhIDGE. < _~.• r +~ - E. Except as may be `~ ~F bridg shall be ur~l ormly trae~ity-six (26 ) '' a five foot (5~ sidewalk, a,t.d of a twrenty- EAS'P END. iZerei~iafter specified, this feet in vridth, consistiirg of one (21) foot driveway. ::~ r, ~ '. It shall be built upon pile beri~,s coi.sistiiib of four piles to the bent, the piles being driven se~e~i feet (7) apart from center to cezlter, and the bex.ts bei~zg set sixteen (16) feet apart.. '~ , PILES. The :piles msed iiz the constructio~~ of this bridge shall ~..~ all be o red or yellow fir. They shall be straieh.t, sour~.d and solid W Y i~~ e: ery p tt t~icur. N_o pile ,day be used ~~~h~ch is lgss ti~ari ~iin~_ .,(~) nor ore than trYc~~.ve (12) i~ich~s 1T1 diameter at the smaller end, or . ~ ~ ~e,Sf3 than fourteexi `(14) Dior more thantwenty-tv~ro (22) inches ire dia- ~, meter at file ~.arger end. Any pile which may split or cYieck iii drivi~ig ~~~ rYill not be considered as a pile, at~d no pile tae~lt will be received, accepted or paid for, unless it coiltailis four (4) soliid and solid pi~.es: All piles si1a11 be driven to the .depth of at least sip ('6) feet and until tktey will not sini~ more than one inc'r:- per tap Vvlti'l a .~lammer of or.e tots. falling tvvel~e (12) feet. ~,; t `-~ .'~x. ~,D i3F 7`TS. If ill any section of the work it be fo~;tnd impossi- ble to s~;ii~. ~ ne piles the rec~uir,ed depth, there shall be framed bents used, aS silowx~ by annexed plat, placed according to file judgment and at the discretion of file ;,ity Surveyor. Ally excavatio~i for mud sills, etc. , shall be paid f`or at trveiity cents per cubic yard. - ~'ES, Svray braces shall be 4" X 10" of ~~~ ~~ ~ trlorouetlly spired to all the piles or posts ~~8" X 8" bridge spikes, aliCi boltea at file ends where ~iity Surveyor, -with 3~4" bolts having head ~.l~d ~iut.. t~1at this; ;striri~,er be laid ~~~,.~~ the ino~+ti'c~s made. in tiie floor 6~ '. ;Lu~~l with, it Ti~.e tyro outer ~,- 6 ~ R ~_ lon~;,• ~arld salll .lap el~ds o~~e~~.r,.. q~ bolted to e,aCil cap bji a orie -~. ~: i. h.a:lf inch (1~2) drift 'fait off`°e.~,.~~ee~~ zncnes length, ~ ,. ~~ ~r /syr.F w f-qy,~" , Yt !, ~ t / 1 1 ,, r ~ ~ "%x ~~,9 t 5~y T ~7s , t~.~.e raid.. Tt ~•rll therefore 'be r"eq.uired with a true line througY~out, .and so that to receive the guard pots, shall. c.,ome 'f strin~e,rs s~a11 bc~ thirty-four ( ~) f~a,et font at 'each. ,~o-brit. Their s~la:l1 ~ drift ~; ampl-e length, lii file beTit wit11 : ,. required by the SAPS. Ti3e caps of all bents shall be made of .s~urld red or yellow ~~~ ~_ :xQ" X ~,.2" X 26~,~ laid upon their sides. They :~ha12 be Molted b"~ ~ac~il pile y a ` •_3 4" drift bolt, eighteen (18) i~ic~es lor.ig. ~.' ' ~~ ~, stringers used on this bride s3~1~ be ' of the ~'~ .~ , :y best fir timl~e~,. They shall be ter: iti number(10). Ei~~t ($)~~ of them s~iall be 4" ~ 12", and tv~b (2 } of them shall be 6" X 12", arra~iged as shorYii an annexed plan. The eight Ynner stri~igers shall be thirty-two ( 32 } feet long, ~arfid shall ~~,but eiid~s. They shall ~ be so lala~ed •a.-s~ to :break. joints, ar~d s:riall be ~>toe-na;i,led to the caps by' tr'~ o six (6 ). incr. steel nails to eaCl1 stri~iger ~.t eac`rl cap. Stringer ~o. 2 i~ laid expressly to provide a br~l'c°e to file lower end of the ,posts of the md- _ . ~~ Oiti. Tile floor of this bridge shall be made of ~AUric~ fir ' pla~~K;^"~"ree from wind. shakes aiid pitciz seams, three (3) ~2i~hes irr ti~ickziess, uniformly twelve { 12) irrcires irr vridtii, and exc~~:~t as iZere- ' grafter provided, twwenty-six { 26) feet iii length. r~or the purpose of pro•~•idirrg support 'to the braces of the ward rail, -every e}gth plan+~ shall be thirty {30) feet in ler~gti2, exterid~~g trio feet beyond file edge of -tile bridge on either side. .LAY"IT?G alyd_ r~ASTErTING. .Tire plarii shall be laid upon fire string- ers at iri~er~a''~s" o~"'~'r~' Li_gths of are ilrch (3 8) , and shall be Trailed to t"rre stringers as follows: --Trrose plank of ti~irty (30) feet length shall be nailed to eaci~ ~trir:.~;er vrith ~rro fifth ( Q) ~5enriy steel hails, intermediate p~arr~ shall be Trailed to each outer stringer rritir tyro (2 ) fifty perniy ' (`~0~ steel rTails, and to tyre irir_er stringers with one fifth perirry (60') steel nail to each stringer, the same being driven orr alternate edges, or "sta~g,erd:". I~To plank of thirty {30) feet length shall be laid immediately above airy ca,p, but si~a11 be laid as near as ~~ may t~e,• at ~ d.isti~,nce o1' four #(4) feet either side ` d'f the"` Caps. '~'"` "' C shall e p_ ace a less tllar~ sixteen by means of ~18~ folln~,s: - Orre at at every interval On both sides ~f t:ne drivev+•ay of this bridge there guard. sill of 6" X 8" timber, cut irr leiigt:n~ of Trot (16} feet. TiZis sill shall be spiked to the floor boat spi~~s, of tern (10) irici;es length, placed. as six (8) irrclies from each errd off' each timber, aacrd one of four feet: ~z~TArcD h.AILS. r~:I~;_3OTTS. ~_r ACF~~ P~ P~SmS. T:nere silallbe t'rlree (3 ) guard Tai s, made`-as o ours:- ne posts of fire tyro outer rails shall be made of 4'' X4" X 48" of sound fir, which shall be set tzpori the ( plarii~s p~' tr~irty { 30) feet length, ar_d to tiZe~e ti7ey shall be securely toe-nailed by not less t~ar~ four (4) t~.~enty penny (20) steel nails, and those on the outer line of the driveway shall be spired to the guard sill by eight (8:) inch steel spices. Each of these posts shah be braced by a 3"x4"x36;' the ends of ~r~rich shall be sawTr to suci'e a bevel that they will rest smoothly upon both the floor and their post•,the foot of the brace being set eighteen (.18") inches out from thq foot of the .post. These braces .shall be s.e- ~curely fasterTed to b~'th the floor and the posts- icy not less than three °(3) twenty penny (2 steel nails to eac:n. The posts of the middle rail shall be 4"x 8"x 64". A strip of ogre (1) inch dept and ixtQerr ' (16) inches length sh~l.l b cut out of the ' f ac•~ snide of ~:ne :Ier etrd, ~;r~d. this end, shall be let r~OUgY9 a mort3~e of 4"x ~" irl its plank. The inner edge of th~,ts, 1~ortice shall come . flush with the outer edge of stringer 1`10.2. Each post shall be spiked s t q the guard sill by tyro ' (2) e fight (8 } inch steel spike s. ;~~lush vrith file tops of theee posts there shall- be rurr a ribbon of ' surfaced fizz-, 1 ~"x 6",-cut in lery~ths of riot less than twenty-fo~~ feet ~; '; 24 r. 'This sh 11 be securely fter~ed to each post, by not .less than two (2,) steel tvrerity peTrny (2C~) rrasls: Along the 'tops of the ~osts _ ar~d flush with the outer edge of this ribbon, there shall be rurr a 2"x 6'' rail of surfaced fir, cut irr lengths of not less than twenty-four (24") feet. This shall be spiked to the tops of the posts,arrd at intervals ` ~ o f not more tprarr four (4"~) feet, to the ribbo~r, by twenty penny steel nails '~, -Along the posts on eitirar side of the driveway there shall be run ~~ a ribbon of 1"x 8" of fir,th~- lower edge of which shall be set twelve ~ "` `(12 inches above the posts on the outside of .' .\ ) guard sill. Alorr~ the the s"idevra]:k there shall be run two ribbons of 1"x 8" ~'ir, cuts in lerrg't118 . ~\ of not ~:ess than twenty-four {24") fa.et. Thelower ribbon shall be set six ' (6) inches above the floor, acid the. second one at an irrterv,al of yt ,-~. . ., ~, .... ". .... ~~ seven' (7) inches: ~ey shall be securely fasteL.ed to the posts by not less than two (2) ten penny (10~') steel nails to each post: The arraxigement of posts, ribbons, rails and braces is shown in pla,n~i attached to these plans axed specifications: The grade elevation of this bridge will be as shovan on o ffici~rofile on file ~ in City Surveyor's office. There shall be a turn stile of the most approved pat- ~':; -tern, of three (3) feet height, made of sound vrell seasoned fir timber, ~4 all of which shall be surfaced, placed. at the entrances to the sidewalk; ALI NiMENT. The aligximent for the center of each bexlt and for ~£ such ex errors as may be reasonabl$ re~uired,shall be well and suitably h marked upon the ground by the City S~veyor,and the grade for the cut .; off of the piles shall be set as frequexitly as may be necessary. No claim for detention shall be made by the contractor on accouxit ~ of vrork not beixig laid out, unless twenty-four (24) hours notice be g ivexi to the .City Surveyor that said work is required. iie shall care-- -fully preserve all stakes, when set axid in case. ariy of them have to be re-set by the Surveyor, he shall be charged the e~pexise thereof aiZd the same be deducted from his estimate. The work shall be under the supervision of the City y~, S v~yor .a;nd x° pile. ~hall• .,be received. ar~c~/ Tio lumber smell. be~a,ccep~ed, ,'f axed no i~ox~ sh~ll be considered as suitable for this work,uxiless the. same be of tine best quality acid be approved by :nim. `` DISORDERLI' AND INCOIMPETENT PERSONS. Any person employed by the ~~~_ - s - - =~--- ~~ c oi-itrac~or ors `~Yi~vaor~,w~io in-ay appear to the Chairman of the Street ~. Committee or City Surveyor, to be incompetent or dis,orderly,shall be dis• -charged at their requisition and. shall not be again employed upon the work without their permission. A ~. The contractor vrill be held re- ,,,; 1~T0 ~ P01~T~T_~TT~TTY - spons~e or• ariy`~oss or damage resulting from his neglect or care- r -lessxiess in doing the work, ox• from that of his employees, axid no persoxx~~ teams ox vehicles, except such as may be .required by the contractor ixi `° the execution of his vrork, shall be allowed upoxi this bridge,vrhile the same is irr the hand cif the contractor. l~TAILS 8c LU~JIBER. All nails used in the coxistruction of this bridge " shall be of steel. All lumber used shall_be first quality iii every particular, and xio defective,wind-shaken off' pitch seamed lumber will be allowed on any part of the work. ~~-IT TO ~IODIt~~Y. If at any time during the progress of the work the ;Mayor. ax`~ic -Common Couxicil of the City of Port Townsend, should deem E any change necessary in tine plans or methods of construetioxi,they re- ` -ser~~e the right to make the same,and neither the contracton nor his bon~smen s all ii any way be released rom their o ligatioris to complet8 't!~ Ste work,k~~ reas~"in of said ~haxiges ~,sai .vrork to be~pa~d~ for, at a ~ea_son~ "' -able compensation. The contractor assumes all ri9tks of variance from the approximate estimate of quantities furnished herewith and regardless thereof is re- -quire.d to furnish all necessary ]~abor and material and to fully com,-- -plete said.. work ire accordance vrith the plans arid specifications,and to the satisfaction of the City Surveyor for the price bid. Bidders must examixie and judge for themselves as to the location-arid nature of the proposed vrork. MEASUREMENT O~t~ WOR.K. On or about the first of eac:n moxith after the com 811c~:" WorK, it shall. be the duty of the City Surveyor to .estimate tine work done during the preceeding month,axxd upon the base of such estimate there shall be paid to the contractor severity-five (7~o} per: went of the amount earned during said month.. At the comple- ~' -tion of the vrork the same shall. be examined by:fthe Street Committee, axxd. upon its acceptaxice by said committee and approved by tine City Sur- " -veyor payment .shall b~e made ixi full to the contractor oz ail balance due,anc~ such fziial payment shall cover all claims of whatever kind 4 ~.. agaixxst the City, of Port `Powrise~ld,arisirlg ox~ account of the construction i '~'::" ~ v'im'-7-'~;'7=*"" , "~'.^ .... •~,pr.xr .. .. -~ _ _ . ,.e;s:~ ~~~ ,, ~ r ~ -~ f said bridge`: ~, PAYME~T~S HOCRT iVIA E. A11 payments made the contractor on account ~'~s of the construe coil o the bridge will be made in warrants issued o~~ the LavJreiace Street fund: ~SPErTr~ICATIOTT~ T UT'LICATF. These specifications shall be issu~~ in duel cage;or~e copy elilg re ained by the City Clerk, and one copy be- --n~ furnished to tn.e Co~itractar. a. " 'the elitire ~york shall- be finished. on or before-- ~~' ` ~8~_ . `rime is an essential condition, of this contract and 4 ~, ~ w, the ca~i~raetor shall be charmed twenty ($~20. 00) dollars t ~ ~ per day after ~ the exg~ra~ion of the contract time until tree Frork is accepted by the '~ Surveyor, and the amount small be deducted from the final estimate. I v ~ ~. L ~_ ~. :~ ,.. i fi ~-- x ,O , ~_ v ~ _~_ ___ _`'~~ '~- 1' -~- t "~ T i 4 a - 5 -~ r~, ~ - :: , ~::,; ~ox~z o . ,_ 4 ~.; , ~ M ~ _ •t ~: ~ } C _ - f.. ~~ A ~ • _ ~ .. 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