GE AF/AMB-54/2021-22 SPECIAL REPAIRS TO ROOF OF VARIOUS BUILDINGS AT AF STATION KALPI UNDER GE (AF) AMBALA

Amount

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) and removal of debris complete all as specified and as directed

Dismantling mild steel work or wraught iron of any description and in any position complete all as specified and as directed

Demolition of brickwork or stone / boulder masonry, built in cement mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete articles and disposing off complete all as specified and as directed

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for keys, scubbing down with water, etc. including all necessary scaffolding as required and rubbishing off the premises, etc. complete all as specified and as directed

Dismantling brick tiles or terracing tiles, single layer on roofs and disposing off complete all as specified and as directed

Demolition of mud in roofs, any thickness, including plastering and leeping (whether full thickness removed or only a part thereof) and disposing off complete all as specified and as directed

Taking up or down 15mm bore steel water tubing and connections and cleaning, stacking for reuse or disposing off, etc. complete all as specified and as directed

Taking up or down 100mm bore CI pipes from any location / position and disposing off complete all as specified and as directed

Taking up or down 100mm bore PVC / AC pipes from any location / position and disposing off complete all as specified and as directed

Disconnecting, dismantling and taking down PVC water storage tanks 250 to 500litres capacity from any location and disposing off complete all as specified and as directed

M&L for disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position (cleaning repairing, etc. measured separately) writing date on cleaning in snthetic enamel paint complete all as specified and as directed for the following capacities:

250 to 500 litres

501 to 1000 litres

M&L for cutting grooves in brick parapet wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed

M&L for cutting out cracks to V-section in existing roofs or terracing, 25mm deep, cleaning out and filling in crack filling compound over a coat of primer as per manufacturer's instructions complete all as specified and as directed

M&L for plain cement concrete 1:2:4 (type B-1) using 20mm graded stone aggregate laid over roof kerbs, stops, rounded or chamfered on edges, padding, etc. finished rough to receive tiles, etc. complete all as specified and as directed

M&L for applying evenly a tack coat of industrial bitumen 85/25 @1.2kg/sqm over a cpat of bituminous primer @0.4litres/sqm on vertical surfaces of roof, etc. including cleaning of surfaces complete all as specified and as directed

M&L for brickwork with sub-class 'B' bricks, straight or curved on plan exceeding 6m mean radius built in CM (1:6) complete all as specified and as directed

--ditto-- all as per serial item No. 18 but except bricks

M&L for 40mm thick brick tiles laid over and including 15mm thick cement mortar screed in 1:6, jointed and grouted flush in cement mortar 1:3 in roofs complete all as specified and as directed

--ditto-- all as per serial item No. 20 hereinabove but except tiles complete all as specified and as directed Note: Serviceable brick / terracing tiles obtained under dismantling shall be reused in this item

M&L for rendering 15mm thick (average thickness) plaster, in cement mortar (1:3) mixed with integral water proofing compund (@3% to weight of cement) over roofs, roof surfaces including flashings, junctions, etc. finished even and fair without using extra cement complete all as specified and as directed Note: WPC shall be measured and paid separately herein

Supply only integral water proofing compound all as specified

M&L for rendering 5mm thick plaster, in cement mortar (1:3) on fair faces of concrete surfaces of roof projections, soffits of slabs, ceilings, chajjas, etc. finished even and smooth without using extra cement complete all as specified and as directed

M&L rendering 10mm thick in cement mortar (1:6) on fair surfaces of PCC block / brick masonry wall / concrete surfaces, etc. finished fair and even without using extra cement complete all as specified and as directed

M&L rendering 15mm thick in cement mortar (1:4) on fair surfaces of PCC block / brick masonry wall / concrete surfaces, etc. finished fair and even without using extra cement complete all as specified and as directed

M&L preparation of newly plastered / unplastered surfaces and applying two coats of white wash on ceilings including all necessary staging, scaffolding, safety precautions, etc. as required to work at heights, etc. complete all as specified and as directed

M&L preparation of new plastered / unplastered wall surfaces of any description and applying two coats of cement based paints (tint as approved by the GE) over a coat of chalk whitning including all necessary staging, scaffolding, safety precautions, etc. as required to work at heights, etc. complete all as specified and as directed

M&L for preparation of new masonry / concrete wall surfaces and applying two coats of oil emulsion distemper over a coat of wall primer including all necessary staging, scaffolding, safety precautions, etc. as required to work at heights, etc. complete all as specified and as directed

M&L for preparation of new or previously untreated steel or iron surfaces of any description and applying two coats of sythetic enamel paint (tint as approved) over a coat of red oxide zinc chrome primer complete all as specified and as directed

M&L for framed works conforming to Fe 410-W (grade E-250) quality-A as in doors or chowkats or gates of angle or other section with gusset plates, rails, braces, etc. drilled for fixing of steel sheeting or other covering. doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging also fastening and fixing complete all as specified and as directed

S&F in repairs 20mm dia ball brass valves, high pressure, with polythene float and flynut, screwed for iron pipe or brass ferrule and fixed complete all as specified and as directed

S&F in repairs PVC (SWR) bends / shoe 110mm dia, ISI marked, any radius with rubber ring joints, etc. complete all as specified and as directed

S&F in repairs PVC (SWR) pipes, 110mm bore, single socketed in any length with rubber ring joints laid in trenches / floors for soil / waste / vent pipes complete all as specified and as directed

S&F steel water tubing, 15mm bore, medium grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for protection of electric clables complete all as specified and as directed

Fixing only steel water tubing, 15mm bore, medium grade, galvanised with screwed and socketed joints, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for protection of electric clables complete all as specified and as directed for the following bores: Note: Serviceable tubings obtained from dismantling herein before will be reused under this item

M&L for cleaning of internal surfaces of PVC overhead water storage tanks, 250 to 500 litres capacity, including staging (if required), at any position / location, by scrubing the surfaces with the help of coir brush, jute cloth and flushing out all the accumulated mud / silt inside the tank, then applying two coats of lime wash on all internal surfaces like wall, ceiling, floor, etc. and writing tank number, capacity of tank, date of cleaning with white synthetic enamel paint over a black synthetic enemal paint base (of suitable dimensions) with size of letter 4" height complete all as specified and as directed

Supplying, hoisting, fixing and connecting up rotational moulded polythylene water storage tanks (cylindrical vertical with closed top), 500litres capacity, hoisted and fixed in position all as specified in SSR Part-I including connecting the overflow drain out, inlet and outlet pipes, tank nipple, elbow, bend, unions, sockets, etc. complete all as specified and as directed

M&L for Atactic Poly Propaneylene (APP) modified bituminous membrane, 3mm thick, weight not less than 3.6kg/sqm, reinforced with non-woven polyester fibre @160gm/sqm by torch method as per manufacturer's instructions complete all as specified and as directed Specifications for membrane: (i) Softening point 150oC minimum (ii) Cold flexibility (-)2oC minimum (iii) Single centre core non-woven polyester reinforcement of not less than 160gm/sqm (iv) Tensile strength of 650N/sqcm and 450N/sqcm in longitudinal and transverse directions respectively (v) Minimum elongation of >20% in both directions (vi) Dimensional stability of 1% maximum (vii) Water tightness / impermiable at 2kgf/sqcm (viii) Water absorption of not more than 1% on mass within 24hrs (ix) Overlaps of minimum 100mm on longitudinal direction and 150mm along transverse direction shall be maintained while laying

Swami Enterprises

s.v.builders

ANIL CONSTRUCTION CO.

M/s Kang Builders

Gupta Enterprises