Spl repair to External water supply at vayu vihar area under GE AF Trivandrum

Amount

Surface dressing n.exc 15 cm deep hard & dense soil, watering, and removing surplus soil to a distance n exc 50 m and making good surface complete incl cutting bushes all as specified and directed.

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying UG cable/steel tubing etc and getting out in hard/dense soil complete all as specified and directed.

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

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

M&L for plain cement concrete 1:3:6 type C1 using 20mm graded stone aggregate as in foundations and mass concrete etc complete all as specified and directed.

M&L for provn of brick masonry Pedestal of size 0.40 x 0.40 x 0.6 m (0.3m above GL) incl PCC Foundation, plastering , white wash etc complete all as specified and as directed.

M&L for provn of brick masonry Pedestal of size 0.4 x 0.4 x 0.8 m (0.5m above GL) incl PCC Foundation, plastering , white wash etc complete all as specified and as directed.

M&L for provn of brick masonry Pedestal of size 0.345 x 0.345 x 1.1 m (0.7m above GL) incl PCC Foundation, plastering , white wash etc complete all as specified and as directed. Note for item No. 6 to 8:- The quoted rate of item shall include the following:- (a) Excavation in post hole (or similar holes) each n.exc 0.5 cum and getting out, returning filling in and ramming earth or broken rubble mixed with earth around, in layers n.exc 25 cm watering and removing surplus soil to a distance n.exc 50 m and making good in hard/dense soil. (b) 100mm thick PCC 1:3:6 type C-2 using 40mm graded stone aggregate with 50mm offset on each side in foundation (c) Brick work in CM 1:6, Rendering 10 mm in cement mortar 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement.incl three coat of white washafter preparation of surfaces all as specified

Taking down ductile iron pipe and connection of 100mm size complete all as specified and directed. Note: Excavation and earth work shall be measured and paid separately

Supply, laying and testing of ductile pipe of 100 mm dia double flanged, ISI marked, including rubber gasket not less than 3mm thickness, fittings such as reducing flanged bends, elbows, tees, checknuts & hexagonal nuts bolts, caps, plugs etc complete laid in trenches/floors/ supporting on pedestal etc complete all as specified and directed.

S&F 100 mm dia CI sluice valve flanged ends, stem of ss with cap & hand wheel, heavy duty, class PN 1.6, as per IS-14856 including brass spindle, with hand wheel, nuts bolts and gaskets complete all as specified and directed.

S&F 100 mm dia cast iron Non return (Reflux) Valve PN 1.6flanged, with GM working parts as per IS - 5312, with nuts bolts and gaskets complete all as specified and directed.

S&F in repairs CI Air release valve, double chamber type of 100 mm dia bore, conforming to IS 14845 including Tees, bolts, nuts, flanges joints or jointing materials complete all as specified and directed

Supplying and installation of pressure gauge with suitable pressure rating

M&L for cutting the existing pipe line in position and inserting medium grade ISI marked incl DI Tee equal 100 mm with flange for making branch connection etc complete all as specified and directed

M&L for Masonry valve chamber 1200 x 900 x 1500mm including excavation and earth work in any type of soil and 100 mm thick PCC 1:4:8 type D2 foundation, brick work in CM (1:4), plastering internal, top and external surfaces (15cm below GL only) with15 mm thick CM (1:4), PCC (1:3:6) type C1 coping, incl provn of 5 mm thick MS sheet with frame work of 40 x 40 x 6 mm angle iron complete with locking arrangement, painting steel and iron surface with two coat of synthetic enamel paint over a coat of zinc chrome primer complete all as specified and directed.

Taking up or down 100 mm dia steel tubing and connections complete all as specified and directed. Note:- Excavation and earth work shall be measured and paid separately

All as per item No. 17 above but for 80 mm dia bore

All as per item No. 17 above but for 50 mm dia bore

All as per item No. 17 above but for 40 mm dia bore

All as per item No. 17 above but for 32 mm dia bore

All as per item No. 17 above but for 25 mm dia bore

Supply and laying and testing of GI piping of 100 mm dia double flanged, ISI marked, including fittings such as, reducing flanged bends, elbows, tees, checknuts hexagonal nuts bolts, caps, plugs etc complete laid in trenches/floors etc complete all as specified and directed.

All as per item No. 23 above but fo80 mm dia

All as per item No. 23 above but fo50 mm dia

All as per item No. 23 above but fo 40 mm dia

All as per item No. 23 above but fo 32 mm dia

All as per item No. 23 above but fo 25 mm dia

Taking up or down 50mm dia PP-R Pipe and connections complete all as specified and directed. Note: Excavation and earth work shall be measured and paid separately

Supply and laying 3-layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized 50 mm dia and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed 50mm sizes complete to walls, ceilings or in floors complete all as specified and directed

S&F 80mm dia CI sluice valve flanged ends, stem of ss with cap & hand wheel, heavy duty, class PN 1.6, as per IS-14856 including brass spindle, with hand wheel, nuts bolts and gaskets complete all as specified and directed.

M&L for road cutting including excavation , returning filling in, spreading, leveling, well ramming in layers, soiling with broken boulders/stones, WBM 7.5 cm thick coarse aggregate received from dismantling the existing road , premix carpeting 25mm thick using ready mix patch mate material, rolled and compacted complete all as directed and match to the existing finish at site.

M&L for Brackets / clamps fabricated from structural steel sections (for supporting pipe)/ for ladder including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as specified and as directed.

JEETH CONSTRUCTION (BID ID -3147828)

Dhanyaconstructions (BID ID -3148105)

GRAND COOL SOLUTIONS (BID ID -3140961)