PROVN / IMPROVEMENT OF WATER SUPPLY PIPE LINES OF MD LINES UNDER GE GOLCONDA

Supply & Laying Galvanized steel water tubing, medium grade, of following bore, screwed and socketed joints with and including all required fittings as in trenches, under road etc including taking down/up of old unserviceable GI tubing complete all as specified and as directed. Note (i) The contractor shall provide team comprising of pipe fitter and an assistant for cutting and re-jointing with existing pipe line all as per direction of Engineer-in-charge. The cost for the above items including all type of tools and plants / any type of vehicle / earth moving plant / hitachi / JCB as required at site is deemed to be included in unit rate quoted for above items. (ii) The contractor shall take due care while executing the work (i.e non damage of electrical cable, telephone cable, water supply pipe line etc) during execution of work if any fault / cutting occurred shall carry out repair immediately and cost of the same shall deemed to be included in quoted rates:- (a) Pipe of 50mm bore

All as per item No 1 above but Pipe of 25mm bore

Supplying, laying, jointing, testing and commissioning of 150 mm bore centrifugally cast (Spun) ductile iron pressure pipe with spigot and socketed ends class K-7, confirming to IS : 8329/2000 blast furnace slag cement with portland cement properties suitable for rubber gasket jointing / tyton joints with inside cement mortar lining and black bitumen external coating, duly (ISI marked) laid in trenches including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. Note :- (i) Rubber tyton joints & run lead joints of pipes shall be measured and paid in this quoted rate of BOQ. (ii) Earth work and excavation will be measured and paid separately under relevant items of Sch 'A'. (iii) The contractor shall provide team comprising of pipe fitter and an assistant for cutting and re-jointing with existing pipe line all as per direction of Engineer-in-charge. The cost for the above items including all type of tools and plants / any type of vehicle / earth moving plant / hitachi / JCB as required at site is deemed to be included in unit rate quoted for above items. (iv) The contractor shall take due care while executing the work (i.e. non damage of electrical cable, telephone cable, water supply pipe line etc) during execution of work if any fault / cutting occurred shall carry out repair immediately and cost of the same shall deemed to be included in quoted rates. (v) During execution of work if any liaison required for laying of pipe at site, from civil Administrative department, local people gram panchayat, police station etc are the sole responsibility for contractor. The contractor shall not claim and financial liabilities on this matter on bills. (vi) The cost of necessary encasing of pipe in culvert shall deemed to be included in this quoted rate all as specified and directed by Engr-in-Charge

All as per item no.3 but 100 mm bore complete all as specified and directed by Engineer - in- Charge.

Supplying and fixing cast iron sluice valves ISI marked with hand wheel suitable for cast iron pipe of following bore, both ends flanged rating PN-1.6 with mild steel spindle as in repairs including jointing with nuts and bolts, washers and gasket etc including taking down existing old unserviceable one all as specified and directed. (a) Pipe 100mm bore

All as per item No 5 above but Pipe 150 mm bore

Supply and fixing Gun Metal, globe or gate valves with iron wheel head, screwed both ends for iron pipe fixed of the following sizes including taking down of existing old unserviceable one :- (a) 25 mm bore

All as per item No 7 above but 50 mm bore

M&L for Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:1.5:3 mix (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size), including necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design :With common burnt clay bricks of class designation 7.5 complete all as specified and as directed.

Supply & fixing DI fittings for spigot & socketed pipes such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc),tee pieces, single branch, 'Y' junction, double branch, cross collar, caps and plugs etc. suitable for spigot and socketed pipes up to 200 mm bore, complete, all as specified and as directed by Engineer-in-charge.