PROVN OF RAIN WATER HARVESTING AT VARIOUS LOCATIONS AND AREA DRAINAGE INCL PUMP SYSTEM AND CONNECTED WORK SERVICES AT PGOE AND ADDN/ ALTN TO PORTION OF MAIN PIPE LINE FROM PGOE TO SOL UNDER GE CHENNAIAI

Amount

Excavation over areas n. exc 1.5m deep for foundation, or for shafts, wells, cesspits, manholes, pier holes etc, getting out in hard/dense soil complete all as specified and as directed.

Excavation over areas exc 1.5m and not exceeding 3.00m deep for foundation, or for shafts, wells, cesspits, manholes, pier holes etc, getting out in hard/dense soil complete all as specified and as directed.

Excavation in trenches n. exc 1.5m wide and n. exc 1.5m deep and n. exc 10 sqm on plan getting soft/loose soil complete all as specified and as directed.

Excavation in trenches n. exc 1.5m wide and n. exc 1.5m deep and n. exc 10 sqm on plan getting hard/dense soil complete all as specified and as directed.

Excavation in trenches n exc 1.5m wide and exc 1.5m and n. exc 3.00m deep and n. exc 10 sqm on plan getting hard/dense soil complete all as specified and as directed.

Returning, filling in trenches including spreading, levelling watering and well ramming in layers not exceeding 25 cms in soil complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Removing excavated soil exc 1.50 Km and not exceeding 5 Km and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

M&L for site clearance such as cutting and filling shall be cleared of shrubs, vegetation, grass bush, weed, trees and saplings not exceeding 30cm in girth measured at a height of one metre above ground level complete all as specified.

M&L for cement concrete 1:4:8, type D-2 (using 40mm graded stone aggregate) in foundations, filling and mass concrete complete all as specified and directed.

Demolition of brick or stone masonry, built in cement mortar including all quoins, arches, pillars etc but excluding ashlars facings, dressed stone work, complete all as specified and directed.

M&L for Brick work with fly ash bricks straight or curved on plan exc 6mtr mean radius in CM 1:4 using modular bricks complete all as specified and as directed.

M&L for Brick work with sub class B bricks straight or curved on plan exc 6mtr mean radius in CM 1:6 using old size bricks complete all as specified and as directed.

Material and Labour for plain cement concrete (1:2:4) type B1 using 20mm graded stone aggregate as in coping, including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

M & L for rendering 15mm thick in CM 1:4 on fair faces of brick/concrete surface finished even and smooth without using extra cement complete all as directed.

M & L for rendering 15mm thick in CM 1:4 on fair faces of brick/concrete surface finished fair and even without using extra cement complete all as directed.

Extra for forming fair finishing to drain or channel exceeding 60 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc. complete all as specified and directed.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter flat rough finished surface complete all as specified and directed.

M & L for reinforced cement concrete M-30 (Design mix ) using 20mm graded aggregate in Foundation, including raft footings, foundation beams, plinth beams, bases for column etc., basement slabs, underreamed piles and mass concrete complete all as specified and directed.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc.; vertical or to batter flat rough finished surface complete all as specified and directed.

M & L for reinforced cement concrete M-30 (Design mix ) using 20mm graded aggregate in columns, beams, retaining walls in slabs complete all as specified and directed.

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) rough finished surfaces complete all as specified and directed.

Formwork to sides of pillars, posts, struts, piers, columns and stanchions rough finished surfaces complete all as specified and directed.

M&L for form work to sides and soffits of floor or roof beams beam haunchings, girders, bressummers lintels etc rough finished surfaces of concrete complete all as specified and directed.

Formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs n exc 20 cm wide rough finished surfaces of concrete complete all as specified and directed.

M/L 10mm dia and over TMT bars as in reinforecment cut to length bent to shape required including cranking hooking ends and binding with mild steel wire( annealed) not less than 0.9 mm dia (or) securing with clips all as specified and as directed

M&L for mild steel TMT bars 6 to 8mm dia , cut to length bent to shape required including cranking, bending, spirally hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and directed.

M&L for mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders, cut to length bent to shape required including cranking, bending, spirally hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified and directed.

M&L for10mm thick cement plaster in CM 1:3 mixed with WPC @ 200 ml per bag, when the concrete is green all as per manufacturer instructions ( Note: Water proofing compound will be measured and paid seperately)

Supply only Liquid water proofing compound

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

M & L for 75 mm thick, plain cement concrete 1:3:6, type C-2 (using 40mm graded crushed stone aggregate) as in plinth protection etc, finishing surface even and smooth without using extra cement complete all as specified and directed.

M/L preparation of newly plastered wall surfaces and applying two coats of cement based paint incl primer complete all as specified and as directed

M&L for Precast cover slab 1:2:4, type B1 (using 20mm graded aggregate) in landings, cover slabs (for manholes etc.,) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces set in CM 1:6, for manholes etc complete all as specified and as directed.

M&L for Precast perforated cover slab 1:2:4, type B1 (using 20mm graded aggregate) in landings, cover slabs (for manholes etc.,) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces set in CM 1:4, for manholes etc complete all as specified and as directed.

M & L for 3- layer PP-R Polypropylene random copolymer concealed pipes size 110 mm SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings all pipe fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc laid in trenches complete all as specified and as directed.

M&L for 50cm high loose filling with aggregates of broken stone boulders of gauge 20mm as in recharge shaft complete all as specified and as directed.

M&L 50cm high loose filling with gravel of 3 to 5mm size as in recharge shaft complete all as specified and as directed.

M&L 30cm high loose filling with coarse sand as in recharge shaft complete all as specified and as directed.

S & F PVC (SWR) 110mm bore inlet/outlet flow drain pipe laid in floor/trenches complete all as specified and as directed.

M&L grating square 150mm size of PTMT (min weight 100 gms) complete all as specified and as directed.

S&F steel gratings square shape fixed in rechargepit/shaft/drain wall above ground level to prevent leaf, dust particles etc into the shaft/pit/drain complete all as specified and as directed.

M&L for perforated 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints, laid in trenches or in floors complete all as specified.

M&L for removal of debris,silt,rubbish/useless materials etc, not erxceeding 2.00Km outside MOD land all as specified and as directed

Supply and fix SP6LA non clog centrifugal de-watering pumpset 20 HP (15 KW) capacity horizontal, end suction, top discharge, self priming with cast iron semi open impeller with gland packed directly coupled, fan cooled, horizontal foot mounted, continuous rated, AC 3 phase, 415 Volts, 50Hz (+or-)5%, combined varifan (+or-)10% motor, S1 duty, 50 Degree C ambient, class F Insulation, IP-55 Protection both mounted on a common base plate suction and delivery (150 x 150mm), RPM 1450 including all connected items complete all as specified and as directed (Make: Kirloskar SP6LA or equivalent /KSB/Suguna)

Supply and fix Starter control panel board and accomodate in suitable size of weather proof box suitable for 20 HP Pumpset with suitable capacity of Star delta starter including MCCB 63 Amps including all connected items complete all as specified and as directed. Make: BCH or equivalent.

Supply and lay in trenches 150mm bore GI tubing medium grade with screw, socket joints with all fittings/ fixtures like bends, sockets, unions, nipples etc. including making alterations in existing/ new pipe as required complete all as specified and directed.

Supply and lay sand cushioning spreading levelling for cable trenches all as specified and directed (Punned thickness only shall be measured and paid)

Supply and laying well burnt bricks sub class 'B' in trenches for cable protection of U/G cable all as specified and directed

Supply & Lay in trenches fixed on wall (or) passing through pipes/in floors connecting up testing and commissioning of XLPE insulated armoured LT UG electric cable with aluminium conductor 1100V grade of size 50 sqmm 3.5 core.

Supply and Fix 20 HP Aircooled Double cylinder Diesel Engine selfstart and including the following accessories:- (a) 6 x 6 coupled pump H/D- 01 No (b) MS Base plate - 01 No (c) Scooter Tyre - 04 Nos (d) Coupling Set - 01 Set (e) Triangular Flange - 01 No (f) Engine Oil - 08 ltrs (g) Battery 12 volts 70AH - 01 No (h) Cable lead - 01 Set (j) 6" Suction Hose grey heavy - 10 mtrs (k) 6" Footvalve PVC - 01 No (l) 6" Hose Collar CI - 03 Nos (m) 6" Hose clip - 03 Nos (n) 6" GI Bend - 01 No (o) 6" GI coupling - 01 No (p) 6" Canvas Hose 30 mtrs roll - 01 No Make : Kirloskar Model No DA20 or its equivalent in other makes.

Earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6.3 mm thick buried directly in ground( earth pit not less than 2.25 m deep below the normal ground level) with top edge of the plate not less than 1.5m below normal GL connected to GI earth strip of size 25x4 mm by means of bolts, nuts, check nuts washers of GI or steel all as shown in electrical plate No-5 of SSR Part I connected to machinery/equipments installed power house/sub station all as specified including testing on completion complete all as specified and as directed. Note: The unit rate shall also include for excavation earth work in any type of soil PCC (1:3:6) type C1 pit RCC 1:2:4 type B-1 cover reinforced with 8 mm dia CTD bars @ 150mm C/C both ways funnel with 15mm bore GI watering pipe 20mm dia bore GI protection pipe wire mesh and copper lugs complete in addition to item No 1(a) to (e) of preamble ( Notes) Under sub heading earthing specified on SI page NO-451 of SSR Part-II 2020.

Atish Builders LLP (BID ID -3458454)

SHRI LAKSHMI ENTERPRISES (BID ID -3457975)

JVM Construction (BID ID -3463987)