SPL REPAIR TO CONVERSION OF OLD CORRODED CI PIPELINE INCL REPALCEMENT OF VALVES AND ALLIED WORKS AT INF BN AND MED REGT OTM ACCN AT SEVOKE ROAD MIL STATION

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth and getting out excavated material for laying/ taking out pipe line in soft loose soil complete all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm in each layer in any type of soil complete all as specified and directed.

Removal of surplus soil to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point in any type of soil all as specified and directed.

Taking out 150 mm dia/bore CI/DI Water main with valves from trenches and staking at site complete all as directed.

All as per item No 4.00 above but for 100 mm dia/bore

All as per item No 4.00 above but for 80 mm dia/bore

Taking out 50 mm bore GI Water main from trenches/wall/ceilings/floor and staking at site complete all as directed.

All as per item No 7.00 above but for 40mm bore

Cutting of existing cast iron/DI pipes in any position for insertion and fitting of new Tee, Coller, Tail pieces etc for taking out connections, branch connections complete all as specified and directed for 100/150 mm bore pipe. Note :- (a) Excavation/earth work shall be measured and paid seperately under respective item of schedule. (b) Fittings shall be measured and paid seperately under respective item of the schedule

Supply, laying and testing ductile iron (DI) pressure pipe with spigot and socket end, class K-7, confirming to IS-8329/2000, suitable for push - on rubber gasket jointing with centrifugally applied inside cement mortar lining with portland cement and metallic zinc coationg and finishing layer of black bitumen coating on external surface of size 150 mm dia duly ISI marked including gaskets for fixing socket joint and other conneting acessories to laid in trenches etc complete all as specified and directed.

All as per item No 10.00 above but for 100mm dia

Supply and fixing PP-R (Polypropylene random co-polymer) 90mm outer dia pipe, 3-layer (outer green coloured UV stablilized, middle black coloured UV stabilized and innermost layer white coloured with anti-microbial property), as per IS-15801, fusion welded, grade PN-10 SDR-11 ( Pressure nominal 10KGS/cm2 ) having thermal stability for hot & cold water supply with and including socket fittings, laid in trenches/walls complete all as specified and as directed. (Note: (i) Contractor shall submit 7 Years warranty certificate from the manufacturer of any manufacturing defect and leakage through the pipeline. (ii) If there is any technical problem regarding PP-R product,contractor shall provide support within 2 Days.

All as per item No 12.00 above but for 63mm outer dia

All as per item No 12.00 above but for 50mm outer dia

Supply and fixing PP-R gate valves (brass insert ) 90mm outer dia pipe complete all as specified and as directed.

All as per item No 15.00 above but for 63mm outer dia

All as per item No 15.00 above but for 50mm outer dia

Materials and labour for DI fittings for spigot and socket pipes of size 80 mm to 150 bore 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(all sockets or socket and spigot) collars caps and plugs complete all as specified and directed.

Supply and fixing sluice valve (heavy duty) with SS spindle conforming to IS 14846 both end flanged class PN 1.6 of size 150 mm dia incl necessary nuts,bolts washers and gasket complete all as specified and directed.

Supply and fixing sluice valve (heavy duty) with SS spindle conforming to IS 14846 both end flanged class PN 1.6 of size 100 mm dia incl necessary nuts,bolts washers and gasket complete all as specified and directed.

Supply and fixing butterfly valve conforming to IS 13095,100 mm dia with nuts, bolts, washers and rubber gasket sheet for packing all as specified and directed .

Materials and labour for manual boring holes 2 m deep in soil under road without disturbing the top surface for laying pipeline passing and disposal of soil to a distance not exc 50m all as directed by Engr-in-Charge.

Materials and labour for PCC (1:3:6) type C2 using (40mm graded stone aggregate) 100 mm thick as in , road PCC or any other works required on site requirement all as directed by Engr-in-Charge.

Supply, fixing, testing and commissioning of MS fabricated MnO2 Chamber filled with live catalytic media size 1200 mm dia x 1500 mm height shell thickness 06 mm dish end & bed plate having thickness 08 mm for removal of iron from the Raw water complete all as specified and as directed by engineer-in-charge. Note:- Charges for taking out exsiting MnO2 chamber, welding and accessories required for connection of MnO2 chamber shall deemed to be inclusive in quotated rate.

Materials and labour for construction of valve chamber of sizes 1200mm x 1200mm x1200mm (internal dimensions) complete with MS sheet cover 3mm thick with angle iron) frame of size 50 x 50 x 6mm and locking arrangements, with handle duly painted with one coat of primer and two coats of black synthetic enmel paints including excvation and earth work in any type of soil,PCC (1:4:8) type D2 in foundation ,PCC benching 1:2;4 type B-1 ,PCC (1:5:8) block masonry 20 cm thick in cement mortor (1:6),10 mm thick plastering in CM 1:4 ,PCC bed in (1:3:6) and coping 50mm thick in cement concrete 1:2:4 type B1 using 20mm stone aggregate including necessary formwork,painting one coat of red oxide and two coats of bituminious black paint on all metalic surfaces as specified and as directed .

M S ALOK SAHA

SRI SURAJIT SENGUPTA

M S BHARAT CONSTRUCTION CO.

SHRI JIBANDHAN PAUL

M/s. STRUCTURES INDIA

M/S S.B. CONSTRUCTION

M/S BHARAT CONSTRUCTION