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STREETS AND RLLATEU �VOKK <br /> 3-1G.3 FAI3R[CA'1'ION <br /> BeFore faUricating the railing, thc contractor shall subinit 6 copies of the shop plans for the engineers <br /> approvaL The contractor may substimte other rail conncction details for those shown in the plans iP details <br /> of thcse changes show in thc shop plans and if the engincer approves. In approving shop plans, the enginecr <br /> indicates only that thcy are adcyuate and complete enough. Approval does not indir.ate a check on <br /> dimcnsions. <br /> Weid�ng shall conform to the rcyuiremenis of the "Strucwral Weiding Code" A�VS D L L for stcel, and to the <br /> requircments of thc "Spccifications for Aluminum Structures" of the r�luminum Association, for aluminum <br /> alloys. All esposcd welds shall bc eround Oush with adjacent surfaces. <br /> Railing pancls sl�:ill be straighi and true to dimensions. Adjacent railing panels shall align with each other <br /> with a variation not to excecd V16 inch. Joints shall be matchmarked. <br /> Por strucwres on curves, cithcr horizonlal or vertical, the railing shall con(orm closely to the curvaWre oC thc <br /> strucwre by mcans of senes of shoR chords. The 1^ngths oP the chords shall be the distancc centcr to center <br /> of rail posts. <br /> Stecl railing units shall bc galvanizcd aftcr fabrication. Zinc uscd for galvanizing shall bc gradc Primc <br /> Wcstcrn confonning to t\ST�I B6 with a minimum 2 ounccs per square foot. <br /> Compicted aluminum railing units shail be anodiud after fabrication conforming to thc rcquirements of dic <br /> rVuminum Class l Anodic Coating, Ar\-C22-A41. <br /> Omamcntal railino shall bc painted with a n�st proof mctal primcr and onc coat of black omamen[al iron <br /> ❑1CL;1� �)11111. � <br /> 3-ICr.�1 INSTALLA'I'ION <br /> 11ie railing shall be erected in accordnncc ��•ith the plans on anchor bolts, or in holes formed by inse�Ts <br /> provided in thc concretc railing basc lo reccive the railing posts. Sheet mctal inscrts shall bc rcmoved before <br /> thc crcction of thc railinb. <br /> No railing shall be erected on the sUvcture witil the sidewalk to which it is to be attached is completed and <br /> all falsework suppotling thc syslem is released. <br /> 'Che railing shall bc carefully crected, tnie to line and grade. Posts and balustcrs shall be veriical with the <br /> direction from the veitir.il for the fuli heioht of the panel »ot exceeding 1!S inch. <br /> Slip joints shall bc as shown on Standard Drawing Nos. 325, 32�A and 32G. Railin� installed without slip <br /> joints will Ue rejected and the contractor shall install new railinb at his oan expense. <br /> 3-17 CG��IEN7' CONCRCI'E SIDti1V�1LKS <br /> 3-17.1 DGSCKIP'CION <br /> This �eork shall consist of constructing cement concrete side�a:�ll:s. thickencd edgc for sidewalks, curb <br /> ramps, and bus shelter pads, including exc:rvalion fur the Jepth of lhe sidewalk and suberade preparalion, in <br /> accordance �vith these Specifications, the \VSDO"I'/AP�VA Standard Specifications mid Standard Drawings <br /> Nos. 30G, 306A. 310A thru 3 LOC and 3l L. <br /> STANDARDS 3-16 Rev.4/02 <br />