SPECIAL REPAIR TO WATER SUPPLY DISTRIBUTION SYSTEM OF MD ACCN AT MOHANBARI AREA UNDER GE DINJAN

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

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

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Taking up or down 15 mm bore of steel tubing and connections, including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up or down 20 mm bore of steel tubing and connections, including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up or down 25 mm or 32 mm bore of steel tubing and connections, including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up or down 40 mm or 50 mm bore of steel tubing and connections, including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up 80 mm nominal size/ bore cast iron or galvanised iron or ductile iron water mains (including all fittings), with rubber gasket joints (push on joints) for spigot/socket end or flanged joints with flanged end joints including disconnecting pipes and fittings including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up 100 mm nominal size/ bore cast iron or galvanised iron or ductile iron water mains (including all fittings), with rubber gasket joints (push on joints) for spigot/socket end or flanged joints with flanged end joints including disconnecting pipes and fittings including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Taking up 150 mm nominal size/ bore cast iron or galvanised iron or ductile iron water mains (including all fittings), with rubber gasket joints (push on joints) for spigot/socket end or flanged joints with flanged end joints including disconnecting pipes and fittings including cleaning for refixing or removal to store or taken on schedule of credit complete all as specified.

Supplying & laying in trenches 20 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 25 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 40 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 50 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 80 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 100 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & laying in trenches 150 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 15 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 20 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 25 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 40 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Refixing 15 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 20 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 25 mm or 32 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 40 mm or 50 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 65 mm or 80 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 100 mm bore of steel tubing and connections in new or old positions (walls, ceilings, floors, etc.) complete all as specified and as directed.

Refixing 15 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

Refixing 20 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

Refixing 25 mm or 32 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

Refixing 40 mm or 50 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

Refixing 65 mm or 80 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

Refixing 100 mm bore of steel tubing and connections in new or old positions (in trenches) complete all as specified and as directed.

M & L in repairs for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 80 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L in repairs for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L in repairs for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 150 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

S & F in repairs 15 mm gun metal, globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed to pipe complete

S & F in repairs 20 mm gun metal, globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed to pipe complete

S & F in repairs 25 mm gun metal, globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed to pipe complete

S & F in repairs 40 mm gun metal, globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed to pipe complete

S & F in repairs 50 mm gun metal, globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed to pipe complete

Dismantling of the existing valve chamber & M & L for construction of new valve chamber of size 900 mm X 900 mm X 900 mm including necessary earth work in any type of soil, PCC foundation M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate as in base concrete, brick work (one and half brick thick) in CM 1:6 with 20 mm thick cement plaster internally and externally in two coats of (12 mm and 8 mm) in cement mortar 1:4, 3 mm thick mild steel cover of structural steel of grade E165 as per IS 15911: 2010 riveted with angle iron (50 mm X 50 mm X 6 mm) frame of structural steel of grade E165 as per IS 15911: 2010, frame welded to base plate of size 150 mm X 12 mm and made of structural steel of grade E165 as per IS 15911: 2010, base plate fixed with 200 mm thick PCC coping in M15(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate 50 mm X 50 mm X 6 mm mild steel washer, PCC benching 200 mm thick in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate with necessary, welding, riveting, bolting including painting exposed steel surfaces with two coats of bituminous paint and embedded surfaces of steel with two coats of tar, finishing exposed faces of concrete surfaces and plaster surfaces with three coats of white wash as per drawing No. TD/EM/6 sheet Nos 1/2 & 2/2 of HQ CE Shillong Zone complete all as specified and as directed.

Dismantling of the existing valve chamber & M & L for construction of new valve chamber of size 1200 mm X 1200 mm X 1200 mm including necessary earth work in any type of soil, PCC foundation M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate as in base concrete, brick work (one and half brick thick) in CM 1:6 with 20 mm thick cement plaster internally and externally in two coats of (12 mm and 8 mm) in cement mortar 1:4, 3 mm thick mild steel cover of structural steel of grade E165 as per IS 15911: 2010 riveted with angle iron (50 mm X 50 mm X 6 mm) frame of structural steel of grade E165 as per IS 15911: 2010, frame welded to base plate of size 150 mm X 12 mm and made of structural steel of grade E165 as per IS 15911: 2010, base plate fixed with 200 mm thick PCC coping in M15(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate 50 mm X 50 mm X 6 mm mild steel washer, PCC benching 200 mm thick in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate with necessary, welding, riveting, bolting including painting exposed steel surfaces with two coats of bituminous paint and embedded surfaces of steel with two coats of tar, finishing exposed faces of concrete surfaces and plaster surfaces with three coats of white wash as per drawing No. TD/EM/6 sheet Nos 1/2 & 2/2 of HQ CE Shillong Zone complete all as specified and as directed.

M H KHAN

M/S A K BROTHERS

D. D. Construction

FREEZCON