URGENT REPAIR TO DIVERT WATER SUPPLY PIPE LINE FROM PROJECT SITE AT 2CBPO UNDER GE NORTH KOLKATA.

1. Excavating in trenches, n exc 1.5 m wide or n exc 10 sq m on plan and n exc 1.5 m in depth for foundation etc and getting out in loose soil for taking out pipe line complete all as specified and directed. Qty: 18 Cum. 2. Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in Soft/loose soil complete all as specified. Qty: 15 Cum. 3. Removing excavated materials not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified. Qty: 03 Cum. 4. Cutting hard standing / road for laying of pipe complete all as specified and as directed. Qty: 02 Cum. 5. Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded aggregate) for filling and making good of disturbed surfaces of road/hard standing etc complete all as specified and as directed. Qty: 02 Cum. 6. Material and labour in replacement DI fittings such as bends (any type, any radius) tapers any type, Tee, pieces, collars, caps plugs, mechanical joint, flenge spigot, bends flenge socket etc up to 100/80 mm bore dia DI pipes complete all as specified and as directed. Qty: 185 Kg. 7. Material and labour in replacement rubber (tyton joint) for ductile iron pipe, up to 100mm bore with all material including testing complete, all as above as specified and directed. Qty: 23 Each. 8. Supply and fix in replacement 100 mm bore cast iron sluice valves (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged, with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts, bolts, washers and gasket etc and testing complete including taking down old unserviceable sluice valve complete all as specified and as directed. Qty: 02 Each. Make: KALPANA / RAMCO / ZOLTO / UPADHYA / LEADER / VEENUS. 9. Material and labour for construction of brick masonry valve pit of size 1000 x 1000 x 750mm (Internal dimension) including necessary excavation and earth work and demolition of old damaged valve pit complete all as specified and directed and shown on drawings. Qty: 01 Each Job. 10. Material and labour for fabrication and fixing of MS valve pit chamber cover made out of 3 mm thick MS sheet including mild steel angle iron (40X40X6mm) suitable for valve pit of size 750 x 750mm (internal dimension) with required hinges and welded to frames and locking arrangement and painted with two coats of synthetic enamel paint over a coat of red-oxide zinc chrome primer to steel surfaces including taking out old damaged MS cover with frame complete all as specified and as directed. Qty: 01 Each. 11. Supply and lay 25mm bore steel water tubing, galvanised medium grade’ GI pipe with all necessary fittings and fixed complete to walls and ceilings or laid in floors / surface / trench complete including taking down old unserviceable pipe all as specified and as directed for 15mm bore. Qty: 30 RM. Make: NEZONE / UTKARSH Tube ltd/ Bansal /Jindal /Zenith. 12. Supply and fix gun-metal, gate valves, with iron wheel head, screwed both ends for iron pipe and fixed after taking down old unserviceable one complete all as specified & directed for 25 mm bore. Qty: 02 Each. Make: Audco / Zoloto / Laxmi / Leader. 13. Taking up 100 mm bore CI pipe including all fittings, with spigot and socket ends/double flanged including burning out joints and recovering lead complete all as specified and as directed. Qty: 77 RM. 14. Supply and lay Ductile Iron Pipe spigot & socket ends, (suitable for Tyton joint), centrifugally cast, Type K-9, 100 mm bore in any length, laid in trenches & leak proof jointing with existing HDPE/PPR pipe line alogwith accessories fittings like flange, rubber gasket, nut bolts etc. including testing complete & all as specified and as directed. Note: (i) Excavation & earth work, fittings and Joints shall be measured and paid separately under respective items & Sch ‘A’ as specified. Qty: 77 RM. Make: Electro casting steel / Jindal / Sri pipes / Neco Centri / BIC / AIC / PIC / Jai balaji Industries / Tata Matliks / Tata Kabuto./ M/S Kiswok Industries Pvt Ltd. 15. Repairing of existing 100 mm bore water pipe line leakage including cutting/dismantling leakage pipe segment and excavation of soft soil/road cutting/ hard cutting/ refixing and pcc work for making good disturbed surface complete, all as specified and as directed. Qty: 01 Each. 16. Repairing of existing 25 mm bore water pipe line leakage including excavation soft soil/road cutting/ hard cutting/ refixing and pcc work for making good disturbed surface complete, all as specified and as directed. Qty: 01 Each. 17. Supply only MS bolts, nuts & washers of different sizes suitable for CI/MS flanged pipe & sluice valve etc complete all as specified and as directed. Qty: 04 Kg. 18. Reinforced concrete pipes, class NP 2 with one collar per length of pipe of dia 200 mm for protection of DI pipe under the road complete all as specified and as directed. Qty: 12 Rm. Note: Old demolished materials obtained from the above work shall be the contractor’s property for which contractor shall pay credit. [Ser No. 1 to 18 Complete One Job only]

SABITA ENTERPRISE

G.B. CONSTRUCTION

SHREE MAA UDYOG

GHOSH ENTERPRISE

RAJU MOTOR GARAGE

DAS ENTERPRISE

S. S. ENTERPRISE