SPECIAL REPAIRS TO MAIN WATER SUPPLY PIPE LINE REPLCAE WITH CI TO DI UNDER AGE E/M OF GE BENGDUBI MIL STN

Amount

SCHEDULE 'A'

Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.5 mtr deep for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n.exc and getting out in soft/loose soil complete all as specified.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick in soft / loose soil complete all as specified and directed.

Removing excavated material (soil) to a distance exc 50m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

Taking down CI pipes any dia, Checking, cleaning internally by using steel brush /scrubber throughly to remove all rusts/slit/mud etc from pipe and Keep the Serviceable pipes & Lead in safe custody for refixing in existing/new position including replacing worn out Sockets, nuts, bolts, flange, gasket complete all as directed.

Supply, jointing, laying and testing in standard length 300 mm dia, centrifugally cast (spun) ductile iron (DI) pressure pipes with inside cement mortor lining and black bitumen external coating, nominal diameter, class K-9 classification, confirming to IS-8329 including push on and rubber gasket joints and jointing necessary DI specials etc complete all as specified and directed. (Note:- DI special/ fitting will be measured and paid seperately under relevent item of SCh'A'/BoQ)

S&F 100mm bore sluice valve cast iron body class PN - 1.6 grade both end flanged with S/S spindle both end flanged and gun metal valve sheet and irin wheel confirming to IS : 14846 including all materials required such as 3mm thick rubber gusket, bolts, nuts washers drilled etc all as specified aand directed.

S&F 300mm bore sluice valve cast iron body class PN - 1.6 grade both end flanged with S/S spindle both end flanged and gun metal valve sheet and irin wheel confirming to IS : 14846 including all materials required such as 3mm thick rubber gusket, bolts, nuts washers drilled etc all as specified aand directed.

S&F Cast Iron Air release valves conforming to IS 14845-2000 with tamper proof arrangement of size 100 mm bore incl taking down of old unsv one all as directed.

S&F CI/DI fittings bends (any type, radius and angel) tapers any type (straingh, bend, increasing, decreasing or double socket etc) tee pieces single brancehs 'Y' junction double branch, cross (all socket or socket and spigot) collars, caps and plugs for 200 to 300mm bore all as specified and directed.

Cutting out existing CI/DI pipe line of any size, inserting tee reducer including necessary lead joint-o3 Nos complete all as complete all as directed. (Note:- DI special/ fitting will be measured and paid seperately under relevent item of SCh'A'/BoQ)

M&L for construction of brick masonry valve pit of size 1200x1200x900mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, and 15mm thick rendering in cement mortor (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3 mm thick MS sheet/plate, welded with 40 X 40 X 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embeded in PCC 1:2:4 type B-1 (20mm graded aggregate) block of size 230 x 200 x 100mm and provision of hinges, handle and locking arrangement including two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer and necessary excavation and earth work in soft/loose soil including dismantling of existing valve pit complete all as specified & directed.

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 42,000.00 (refer Tender Srl Page No 26). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

Shree Ram Construction

CHAKRABORTY AND SONS

SHRI S K BHATTACHARJEE

M/S CONTRACTS

UNIVERSAL CONSTRUCTION

M/S KAR CONSTRUCTION

NAYAK BROTHERS