PROVN OF NEW GENERATION GREASE TRAPS AT CERTAIN MESSES AT AF STN RAJOKRI UNDER GE (AF) GURGAON

Excavation in trenches not exc 1.5m width and n.exc 1.5 metre deep and not exceeding 10 Sqm on plan for foundation laying of pipes, wells, cesspits, manholes, pier holes & getting out in soft/loose soil, complete all as specified and directed.

All as per Srl itemm No 1 here in before but depth exceeding 1.50m and not exc 3m complete all as specified and as directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out soft/loose soil vomplete all as specified and as directed.

M&L Brick work with sub class 'B' Bricks, straight or curved on plan exceeding 6 mtr mean radius built in CM 1:6 all as specified and directed by Engineer - in - Charge .

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

M&L for 15 mm thick plastering in two layers (10+5) mm in cement mortar (1:4) on brick or concrete surfaces including rendering on fins, fascias, chajja, parapets etc and finishing the surfaces even and fair (without using extra cement), top layer shall be with WPC as per manufacturer's instruction complete all as specified and as directed. Note: WPC shall be measured and paid separately.

Supply only Integral water proofing compound

M&L Plain cement concrete (1:3:6), type C-2, using 40mm graded stone aggregate as in bed to drain pipes of 150 mm bore including packing under and hunching against the sides of pipes after they are laid and tested, complete all as specified and as directed.

S&F for reinforced concrete pipes class NP2 drain pipe 150 mm bore, ISI marked jointed with cement mortar, laid in trenches and tested including fittings of same grade complete all as specified

S&F 100 mm dia cast iron soil, waste and vent sand cast pipes in any length with or without ears, with cement joints, laid in trenches or in floors, wall including bends and branch piece complete all as specifed and directed.

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

Removing excavaed materials to outside MoD land in soft/loose soil, complete all as specified and as directed

S&F SFRC GT Frame & cover of size 300mmx300mmx50mm thick as per manufacture's design suitable for square Gulley trap complete all as specified and as directed by Engr-in-Charge.

S&F SFRC Manhole cover size 600mmx600mmx70 mm thick laid with frame complete all as specified and as directed by Engr-in-Charge.

Cutting into existing manhole/Sewage line for connecting new drains and making good for 150mm bore pipe and rendering cutting out existing benching and forming branch (1/2 round or ¾ section) channel in plain cement concrete (1:2:4) type B-1 using 20mm graded crushed stone aggregate surface finished even and smooth and reforming benching as required complete all as specified.

Cutting hole in brick wall built in cement mortar exceeding half brick but not exceeding one brick and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4, type B – 1 all as specified and directed.

S&F in repair Double bowl sink (Pearl finish) made of 304 grade stainless steel kitchen sink with plugs, washers and wastes; including bedding in cement mortar on to dwarf wall and connecting union to pipe,overall size 980 mm x 480 mm & bowl size 400X400X 230 mm (02 nos) mm including two number chromium plated waste fittings 40 mm dia & waste pipe complete all as specified and directed.

M&L for 20 mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, win dow-cills, cooking plat forms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admix ture of pigment to match with shade of granite complete all as specified and as directed.

M&L for 75 mm thick cement concrete (1:4:8) type D-2 with using 40 mm graded stone aggregates) as in sub base of flooing etc complete all as specified.

S& F for machine pressed precast coloured concrete interlocking paver block any shape and size, with grey cement and pigment to match, confirming to IS 15658-2006 of 60mm thick M-35 grade laid over 50 mm thick sand cushioning all as specified and as directed.

S&F grease separator (nominal size: NS 10) made of polyethylene as per DIN EN 1825, proven stability of 50 years, for below ground installation. Total weight of grease trap should be minimum 128.00kg with over all dimension (1320x1380) mm (dia & Height) with ventilation provision, emptying via suction line DN 65 PN 10, counter flange with fire hose quick coupling 75B and 2(1/2)" blank cap and satisfy reaction to fire class A. Standard odour tight top cover of 600 mm dia. clear opening; frame made of concrete material and cover made of cast iron, with raising tube, load class B125 according to EN124, inlet and outlet dia. of pipe DN150, with grease storage capacity of 415 L. Sludge Storage 1010 L and overall capacity 2170 L including necessary excavation, returning, filling and removal of soil, 150 mm thick PCC in foundation (1:2:4) (type B-1) using 20mm graded stone aggregate and inlet and outlet pipe upto 1st manhole all as per manufacturer's instructions and as specified and directed by Engr-in-Charge. Make:-Lipumax (ACO), Kessel or its equivalent. Note:- (i) The rate shall be deemed to be included for supply, inatallation and provided ten days training for operation, function, cleaning, refixing etc. (ii) The contractor is liable for servicing and maintenance of all parts of grease trap for smooth functioning for two years from certified date of completion. (iii) Service Engineer shall visit the plant every month till defect liability period and ensure smooth functioning without any extra cost to govt.

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