SPECIAL REPAIRS TO OLD AND RUSTED SUCTION AND DELIVERY PIPE LINES, PATH WAY AND HARD STANDING BETWEEN SUMPS AT MAIN PUMP HOUSE KATARI BAGH UNDER GE(NS) KOCHI

Amount

Demolition of unreinfroced cement concrete in ground floors and paving n.exc. 15cm thickness (below or above ground level) complete all as specified and as directed.

M & L for hardcore gauge exc 63 mm , diposited, spread and levelled in layers n exc. 15 cm thick , watered and rammed to a true surface complete all as specified and as directed.

M & L for 100 mm thick PCC 1:4:8 type D-2 using 40mm stone aggregate as in sub base of floor complete all as specified and as directed.

M & L 50mm sand cushion bed under interlocking tiles complete all as specified and as directed.

M & L machine pressed precast concrete interlocking paver block with gray cement and no pigment ,any shape and size confirming to IS 15658-2006 of 60mm thickness ,M 35 grade complete all as specified and as directed.

M & L machine pressed precast concrete interlocking paver block with gray cement and With pigment ,any shape and size confirming to IS 15658-2006 of 60mm thickness ,M 35 grade complete all as specified and as directed.

M & L for Providing, cement concrete in roof kerbs or mud stops, rounded or chamfered on edges 1:2:4 type B1 as on edge of path including necessary form work complete all as specified and as directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. and precast concrete articles complete all as specified and as directed.

M&L for Plain Cement Concrete Type C2 1:3:6 (using 40 mm graded stone aggregate) in foundations, filling and mass concrete complete all as specified and as directed.

M&L for Pre - cast cement concrete block 1:3:6 type C-1, (20mm graded stone aggregate) block masonary with solid blocks built in cement mortar 1:6 complete all as specified and as directed.

M&L for PCC 1:3:6 type C1 using 20 mm graded trap stone aggrgate as in coping complete all as specified and as directed.

M&L Rendering in CM 1:4 10mm thick in laterite masonry finished even and smooth without using extra cement complete all as specified and as directed.

Excavation in trenches not exc. 1.5 M wide and not exc 1.5 M in depth and getting out in soft/loose soil for laying pipes etc including forming bottom surface to required level complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick in soft/loose soil complete all as specified and as directed..

Removing excavated material (soil) to a distance not exc 50 M and depositing where directed at a level not exc 1.5 M above the starting point complete all as specified and as directed..

Supplying and laying in trenches/floors/walls centrifugally cast (spun) ductile iron pipes of 300 mm dia suitable for pressurized water delivery with flanged end, class 'K-9' conforming to IS:8329/2000 (latest version) - blast furnace slag cement with portland cement properties suitable for flanged jointing with inside cement mortar lining and black bitumen external coating, duly ISI marked in any length including taking down old unservicable CI pipe commplete including testing all as specified and directed.

All asper Item No 16 above but 200mm (8") dia Note for 16 & 17 :- (i) DI fittings and support clamps shall be measured & paid separately. (ii) Earth work and demolition of cement concrete shall be measured & paid separately.

Material and labour for ISI marked ductile iron flanged fittings supplied as per IS: 9523/2000 of class K-12, PN-16 for pressurized water delivery with inside Cement Mortar lining and outside zinc followed by black bitumen coating for size 100mm dia to 300 mm dia such as bends, Tapers tale pieces, Tee pieces (single branch) Y junction double branch,cross collars, caps and plug set complete as specified and directed.

M&L for jointing 300mm flanged pipe with rubber or fibre board gasket and nut bolts complete as specified and directed.

Cutting the existing CI/ DI pipes in position for insertion of new collars/ Tees /branches/new pipes 300 mm dia CI Pipe complete all as specified and as directed.

Material and Labour for joint with rubber gasket joint of 300mm bore DI spigot and socketed pipes/fittings complete all as specified and as directed.

Supply and fix of 300 mm bore cast iron sluice valve with flanged ends of type PN-1.6 conforming to IS-14846:2000 with cast iron wheel and brass spindle complete all as specified and directed

Supply and fix Valve, butterfly conforming to IS 13095, 300 mm (12”) dia complete all as specified and as directed.

All asper Item No 23 above but 200mm (8") dia complete all as specified and as directed.

All asper Item No 23 above but 80mm (3") dia complete all as specified and as directed.

Supply and fix in repair/replacement electric actuator for 300mm dia Butterfly valve complete all as specified and as directed. Make: Marsh/Ritetork/Hasel Hofner

Supply and fix in repair/replacement electric actuator for 200mm dia Butterfly valve complete all as specified and as directed. Make: Marsh/Ritetork/Hasel Hofner

Supply and fix in repair/replacement of electric actuator for 80mm dia Butterfly valve complete all as specified and as directed. Make: Marsh/Ritetork/Hasel Hofner

M&L for Construction of brick masonary valve pit of size 1.2 x 1.2 x 0.9 mtr (internal diamensions) including excavation and earth work in any type of soil, PCC 1:4:8 type B-2 in foundation brick work in CM 1:4, 15mm thick plastering in CM 1:4 internally and flush pointing externally in same mortar as the work process angle iron frame work 40X40X6mm, with 6mm thick MS sheet cover with 12 mm dia handle and locking arrangement (including lock and two Keys) and two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Material and Labour, for cross arms, bracing, supports clamps and back plate fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size indicated or directed and inclusive of one primer coat one under coat and one finishing coat of synthetic enamel paint(Blue colour) complete all as specified and as directed.

Dismantling mild steel plate / cross arms of any thickness of having any weight complete all as specified and as directed.

Demolition of valve pits/paths made of brickwork or stone/boulder masonry built in cement mortar including all arches, pillars etc but excluding ashlar facings, dressed stonework and precast concrete article complete all as specified and as directed..

Demolition of cement concrete in ground floors and pavings n exc 15cm thickness, above ground level in inside the valve pits complete all as specified and as directed.

Taking down sluice valve 300mm (12") dia complete all as specified and as directed.

Taking down butterfly valve 300mm (12") dia complete all as specified and as directed.

All asper Item No 36 above but 200mm (8") dia complete all as specified and as directed.

All asper Item No. 36 above but 80mm (3") dia complete all as specified and as directed.

Drilling and tapping DI water mains (in position) for branch connections of the internal dia 20-40 mm as per requirement at site complete all as specified and as directed.

M&L for plain cement concrete 1:2:4 type B1 using 20mm graded stone aggregate in drain/surface channels complete all as specified and as directed. General Note: 1. Contractor shall ensure that water supply shall not interrupted while carrying out the work. General Note: 2 Contractor should carryout the work during the off peak hours or they can use temporary pump of adequate capacity to keep the uniterupted flow of water supply without extra cost to the department.

M/s Hari Construction