REPAIR / REPLACEMENT OF OLD VINTAGE PIPE LINES AND ALLIED WORKS AT TECH AREA AT AF STN UTARLAI

Amount

Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth, or n exc 10 Sqm on plan and n exc 1.5 m in depth for foundations, shafts, wells, cesspits, manholes, pier holes, for foundations of poles, struts, stays etc. or laying underground cable and water supply pipe lines etc. in soft/loose soil, & getting out including taking out old brick or precast cable cover complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, leveling watering and well ramming in layers n.exc 25 cm in soft/loose soil/\ complete all as specified and directed by Engineer-in-charge.

Removal of excavated soil material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and directed by Engineer-in-charge.

S&F 15mm bore galvanized steel water tubing medium grade with & including all fittings and fixed complete to walls and ceilings or laid in floors / trenches including taking up or down old u/s GI tubing with all connections complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 04 above but 20 mm dia bore.

All as per Srl item No 04 above but 25 mm dia bore.

All as per Srl item No 04 above but 40 mm dia bore.

All as per Srl item No 04 above but 50 mm dia bore.

All as per Srl item No 04 above but 80 mm dia bore.

Supplying, laying, jointing, commissioning and testing 100mm 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 up of down 100 bore G//CI/DI pipe including connections complete all as specified and directed by Engineer-in-Charge. Note :- (i) DI fittings shall be measured and paid separately under respective items (ii) Pipes shall be laid in trenches already excavated for taking out old GI pipe line. Extra excavation / earthwork shall not be paid.

All as per Srl item No 10 above but 150 mm dia bore.

S&F in replacement gun metal globe or gate valve 20mm bore with iron wheel head, screwed both ends for iron pipes complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 12 above but 25 mm dia bore.

All as per Srl item No 12 above but 40 mm dia bore.

All as per Srl item No 12 above but 50 mm dia bore.

Supply & fixing cast iron body sluice valve heavy duty class ‘PN-1.6’ of 80 mm bore, ISI marked with IS 14846 : 2000, both flanged ends and drilled, high tensile stainless steel spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete, all as specified & directed.

All as per Srl item No 16 above but 100 mm dia bore.

All as per Srl item No 16 above but 150 mm dia bore.

S&F Cast iron non return valve / reflux valve with rubber seat flanged type with by pass arrangement suitable for 80mm bore pipe, ISI marked, conforming to IS- 5312/2004 with stainless steel spindle, CI gate with brass nuts, bolts, washers and jointing with necessary ruber gasket etc including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete, all as specified & directed.

All as per Srl item No 19 above but 100 mm dia bore.

Supply and fix in repair Foot Valve conforming to IS 4038, 80 mm (3”) dia complete all as specified and directed by Engineer-in-charge.

Supplying & fixing DI fittings confirming to IS-9523-2000 suitable 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 upto 150 mm bore, complete, all as specified and directed by Engineer-in-charge.

M&L for Construction of brick masonry valve pit, in repair, of internal size 90cm x 90cm x 90cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement with one number 50 mm dia brass pad lock , complete all as specified and directed by Engineer - in - Charge Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4) (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete ( 1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Three coats of white wash to internal surfaces of valve pit. (vi) Depth of valve pit shall be reckoned from the top of PCC in foundation.

All as per Srl item No 23 above but internal size 120cm x 120cm x 90cm

M&L in repair for 'D' Joint suitable for DI /CI/GI pipe sizes 50 mm dia bore including excavation, returining and filling etc and other fittings as required including testing at site complete all as specified and directed by the Engineer-in-Charge.

All as per Srl item No 25 above but 80 mm dia bore.

All as per Srl item No 25 above but 100 mm dia bore.

All as per Srl item No 25 above but 150 mm dia bore.

M & L for cement concrete in road surfacing, filling and mass concrete type B1, 1:2:4 (20mm graded stone aggregate) for repairs to road cutting for laying of pipe lines including demolition of old cement concrete complete all as directed by Engineer-in-Charge.

M & L for boring of holes 150mm dia under road, pavement, hard standing by trenchless technology and necessary machine complete all as directed by Engineer-in-Charge.

M&L for attending to break down of 150 to 200mm dia DI pipe line bursting/cracks including necessary excavation, dewatering the water accumulated at site, removal of broken pipe pieces of various lengths through gas cutting/manual cutting as per site requirement including removing out the damaged DI pipe and inserting necessary DI specials such as collar, nipple etc as required at site and providing of new joints as required at site, clamping arrangements, including testing for the leakages pipes complete all as specified and directed by Engineer-in-Charge. Note:-fitting & joint will be measured separately.

Devi Engineeing (BID ID -3315116)

RAMDEV ENTERPRISES (BID ID -3315223)

Rasam Engg Co. (BID ID -3313885)

GITANSH ENGINEERS AND COMPANY (BID ID -3314757)

M/s Sati Jasnath Enterprises (BID ID -3321421)