1957 566 Ordinance - Laserfiche WebLink

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separately, thoroughly packed and hampered into the joint. Sec. 8 (b) DEPTH OF JGINTIT~IG ~ATERIL~L: For lead joints a space of not less than tti°so and one-half inches (2 1/2") in depth shall be left in the bell in pipe of tvfenty inches (20") or less. Lead joints in sleeves shall be cast solid to the full lengtTz oz sleeve. (c) SP~CII~ICATI0AIS I~OR. ILAD : Lead shall be used for caulking purposes and shall contain not less than 99,73; pure head. Impurities shall not exceed the fol]_orring li?nits : Arsen~_c, _lr~timony ar_d Tin, together -- 0.015`,x; Copper - 0.08;x, Zinc - 0,002;5; Iron - On00?_ ~; Bismuth - 0.25;0. The producer's name or identifying marls shall be cast or sta!riped on each piece of lead. (d) PROt~t~~. I~T1ll.T FOR LI:~ : Load. sha.l]_ b e heated in a melting pot kept near the joint to be poured, brought to a proler temperature such that when stirred it trill sho~~J a rapid change of color and that lvhen poured into the joir_t space it vril]. insure ~:L perfect joint. Before pourinf; the lead all scum shall be removed. (e) PO`31:TIOP~:i OF JOIAIT RLTAIiER: The joint runner shall fit snugly against the face of the bell and the outside of the pipe ar_d shall be dammed v~ri~th clay at the pouring gate to provide for filling the joint even with the t',op of bell. (f) CAULKIAIG LEAD JOIAITS : mach joint shall be made z~2th one pour, fil]_ing the joint space. After cooling to the temperature of the pipe, lead joints shall be caulked 'by means of pneumatic or hand tools, by competent workmen, until thoroughly compacted making vratertight joints without overstraining the bells. LIAiiJ VAL~r,S (a) TYPl; A1vD FITTINGS: Line valves shall be set at points in- dic aced on plans . All valves shall be of a pattern approved and adopted by the Division of ~"later of the City of Cleveland, and fitted with boxes having square caps marked +'~;7ater Valve'+ and set to the established grade of the street. Pdo. 2 bases t%rill be requirrcl for all valve boxes ranging from ~.++ to 8"; loo. ~ bases must be used on boxes ranging; from 10" to 16" . (b) SIJTTIIII'T VAI~TES, VALUl~ BOXES, FITTII~IGS MAID BLO~~~ OFFS: Gate valves and pipe fittings shall be set by Contractor and jointed to new pipe as heretofore specified. Cast iron valve boxes shall be firmly supported arcl maintained centered and plurdo over tl~ie v~ench nut of the gate valve ~^rith box cover- flush with the surface of the finished pave- ment or such other level as directed, All reared valves and such other valves, as may be designated on contract drat°rin~s shall be set in mason- ry valve vaults vrith the wrench nuts readily accessible for operation through the iranhole opening. Vaults shall be constructed in a manner that wv:ill permit minor valve repairs and afford protection to pipe from impact ~~rhere it passes throv_gh the pit ?vans . -9-