Repairs to roof and roof treatment to Md and OTM Accn at MIRC under GE(S) Ahmednagar

Amount

Demolition of precast reinforced cement concrete covers of roof slab opening all as specified and as directed.

M&L for precast reinforced cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate in cover of roof slab opening, shelves and similar articles with plain faces including necessary moulds (reinforcement to be measured and paid separately) all as specified and as directed.

M&L for mild steel TMT bars 10mm dia and over as reinforcement for concrete, cut to length, bent to shape required, including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia complete all as specified and as directed.

All as per item No 3 but 6 to 8mm dia.

M&L for plain cement concrete, 1:3:6, type C-1 using 20mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered on edge including anchorage/bed blocks for hold fasts complete all as specified and as directed.

Demolition of brickwork masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete but excluding ashlar facings, dressed stonework and precast concrete articles all as specified and as directed.

M&L for brick work with old size bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar 1:6 complete all as specified and as directed.

All as per serial item No 7 but except bricks Note : Old bricks obtained from demolition shall be used.

Taking down cement or cement lime plaster, any description, on brick or stone walls, etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and as directed.

M&L for rendering 15mm thick in cement mortar 1: 4 on fair faces of brick work or concrete surfaces, finished even and fair complete all as specified and as directed.

M&L for rendering 12mm thick in cement mortar 1: 6 on other than fair faces of brick work or concrete surfaces, finished even and smooth without using extra cement complete all as specified and as directed.

M&L for rendering 5 mm thick in cement mortar 1:3 on fair faces of concrete surfaces in ceiling, finished even and smooth complete all as specified and as directed.

M&L for raised pointing in cement mortar 1:3 to random or polygonal rubber, uncoursed or brought upto courses masonry, complete all as specified and directed

M&L for preparing new plastered or unplastered surfaces of walls and applying three coats of white wash complete all as specified and as directed.

All as per serial item No 14 but on ceiling all as specified and as directed.

M&L for preparing new plastered or unplastered surfaces of walls and applying two coats of colour wash over & including a coat of white wash complete all as specified and as directed.

M&L for preparing new plastered or unplastered surfaces of walls and applying two coats of distemper oil emulsion, white or tinted over & including one coat of chalk whiting complete all as specified and as directed.

M&L for preparing new plastered or unplastered surfaces of walls and applying two coats of cement paint white or tinted over & including a coat of cement wash complete all as specified and as directed.

S&F 8mm thick PVC board, Ist quality, size 600mm x 600mm with and including galvanised iron frame work for seamless ceiling, comprising of galvanised iron perimeter channel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to center/intermediate channel 0.9 mm thick having two equal flanges of 15mm each and web of 45 mm suspended from soffit at approx 900 mm center to center with and including hanger wire, 4 mm dia, galvanised iron upto 1200 mm length adjustable level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40x3mm size 60mm long and steel expansion fasteners with and including ceilling section (not exc 1.2m length) of 0.55 mm thickness having kurled web of 50mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm center to center frame work for false ceiling including dismantling of existing old false ceiling all as specified and as directed.

M&L for gypsum board 12 mm thick, 60 cm x 60 cm in size, fixed with staples on and including snap grid Gl frame work for seamless ceiling comprising of Gl perimeter channel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with and including Gl hangers made out of 6 mm dia GI wire (up to 1200 mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of GI flat 40 x 3 mm size 60 mm long and expension hold fasteners 12.5 mm dia. 40 mm long with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre.including necessary fixing/ repair /replacement of existing electrical fittings at site including dismantling of existing old false ceiling all as specified and as directed.

S&F 4mm thick asbestos cement plain building boards, fixed to mild steel frame work in false ceiling with clips/screws, preparation of new surfaces of asbestos cement ceiling boards and applying three coats of white wash complete including dismantling old ceiling boards all as specified and as directed.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings including ridges all as specified and as directed.

M&L for prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick, sheeting of colour as approved by GE, having strength of 550 mpa as in roof covering fixed with self tapping screws etc all as specified and as directed.

M&L for prepainted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick, sheeting of colour as approved by GE, having strength of 550 mpa as in roof covering/clading to wall fixed with self tapping screws etc all as specified and as directed.

Dismantling asbestos cement (corrugated, semi corrugated etc) sheets in roof coverings including ridges complete all as specified and as directed.

M&L for 6mm thick asbestos cement , corrugated or semi corrugated sheets in roofs, walls etc, fixed with L or J type or cranked hook bolts complete all as specified and as directed.

All as per serial item No 26 but except sheets all as specified and as directed.

M&L for 6mm thick asbestos cement two piece serrated ridge for corrugated or semi corrugated sheets, fixed with L or J type or cranked hook bolts complete all as specified and as directed.

Dismantling battens for tiles, shingles etc, of any size including tilting fillets spaced exc 15 cm all as specified and as directed.

M&L for second class hard wood batten, clean sawn at spacing 30cm centre to centre, cross sectional area exc 5 Sqcm but n.exc 15 Sqcm all as specified and as directed.

All as per serial item No 30 above but except battens

M&L for 20mm thick second class hard wood timber boarding,clean sawn, fixed with nails in any situation with butt joints, including dismantling old timber boarding all as specified and as directed.

Dismantling of mangalore pattern or similar tiles including ridge tiles in roofing all as specified and as directed.

M&L for roof tiles mangalore pattern, interlocking at side joint, laid dry all as specified and as directed.

All as per serial item No 34 above but except tiles.

M&L for ridge or hip tiles to suit Mangalore pattern roofing tiles, bedded and jointed in lime mortar 1:3 or cement mortar 1:6 all as specified and as directed.

All as per serial item No 36 above but except ridge or hip tiles.

M&L for preparing surfaces of wood and wood based materials, new or old, of any description and girth, not otherwise described and treated with two coats of creosote all as specified and as directed.

M&L for preparation of surfaces of new or old wooden battens of any size/specings and treated with two coats of creosote oil all as specified and as directed. Note : Measured overall on one side only, spaces shall not be not deducted

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required, reconnecting and re-fixing in position exc 250 ltrs but n.exc 500 ltrs capacity. (Cleaning, repairing etc. measured separately) all as specified and as directed.

All as per item No 40 but exc 500 ltrs and n.exc1000 ltrs capacity.

S&F in repairs, rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top), 500 litres capacity, tripple layered, hoisted and fixed in position including 20 mm dia ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed to iron pipe and connecting all as specified and as directed.

All as per item No. 42 above but 1000 ltr capacity

All as per item No. 42 above but 2000 ltr capacity

Taking down carefully existing bituminous felt including plaster of any thickness and cleaning of the surfaces of roof including flushing and junction parapets kerb walls PCC fillets benching etc with wire brushes and removing of the rubbish to a distance not exc 500mtrs and depositing where directed at alevel not exc 1.5 mtrs above the starting point complete all as specified and as directed.

M&L for cutting out cracks to V-section in existing roofs or terracing, cleaing out and filling solidly with a hot mixture of bitumen and clean dry sand in ratio 1:1 (by weight) all as specified and as directed.

Demolition of cement concrete unreinforced of roofs, floors (other than ground floors), beam, staircases, landing, chajjas and similar suspended work all as specified and as directed.

M&L for 25mm thick (average) PCC, type B-0, 1:2:4 (using 12.5mm graded stone aggregates) mixed with water proofing compound @ 3% by weight of cement or as per manufacturers instructions laid on roof surfaces to maintain slope, finished even and smooth without using extra cement all as specified and as directed. Note : Supply only water proofing compound will be measured and paid saperately.

M&L for preparation of new concrete surfaces and applying one coat of polymeric primer @ 0.30 Kg per Sqm, confoming to IS:3384., APP based polymeric membrane, 3mm thick (min), weight not less than 3.5Kg/Sqm, reinforced with polyster non woven fabric (weighing not less 150gms) and applying two coats of aluminium paint @ 0.11 lit/Sqm all as specified and as directed. Note : Application of polymeric membrane shall be torch application all as per manufacturer instructions

Supply only integral water proofing compound, ISI mark all as specified and as directed.

M & L for preparing surfaces thoroughly by cleaning, washing and removing dust, dirt, oil, grease and loose particles and fill fine crack up to 1 mm with Dr.Fixit roofseal top coat directly by brush or roller after cleaning the cracks stir well prior to application. all joints/corners/drainage outlets and penetration points shall be treated prior to all application of two coat of Dr.Fixit Roofseal Top Coat. all corners, gaps, joints, protrusions and outlets should be coated with an extra coat incorporating reinforcing fabric. Dr.Fixit Roof Seal Coat may be applied by roller,brush. Apply a coat of Dr.Fixit Roof Seal Coat (diluted with water in ratio 2:1) as self priming 9-10 Sq.mtr/Litre. Allow coating to dry for 3-4 hours prior to applying first coat and second coat. Apply two coats of Dr.Fixit Roof Seal Coat @ 2 -2.2 Sq mtr /litre/coat, without water dilution,the rate of application being the same for both the coats. This would ensure correct consumption of material that will deliver a total DFT of 450=500 micron. Allow the system to air cure for 3 days minimum all as specified and as directed.

Taking up or down steel tubing and connections of 15 mm bore complete all as specified and as directed.

Taking up or down steel tubing and connections of 20 mm bore, complete all as specified and as directed.

S&F 15mm bore steel water tubes, medium grade, galvanized with all fittings, fixed to walls and ceiling or laid in floors complete all as specified and as directed.

Refixing old steel tubing 15mm bore, with and including new fittings (connections) in new or old position (walls, ceiling, floors, etc) complete all as specified and as directed.

S&F 20mm bore steel water tubes, medium grade, galvanised with all fittings, fixed to walls and ceiling or laid in floors complete all as specified and as directed.

Refixing old 20mm bore steel tubing, galvanised with and including new fittings (connections) in new or old position (walls, ceiling, floors, etc) complete all as specified and as directed.

S&F 110mm bore PVC (SWR) pipes, single socketed, in any length with rubber ring joints, fixed to walls, including taking down old rain water pipes complete all as specified and as directed.

S&F in repairs, 110mm bore PVC (SWR) bends any radius complete all as specified and as directed.

M/s AG PATHAN

DHANANJAY BABAN KALANE

OM SAI ASSOCIATES

M/s IBEX Engineers and Contractors

M/S. YADAV ENTERPRISES

MS. G.A. CONSTRUCTION

AMAR CONSTRUCTION

R. T. Saluji

Bidder Name

M/s IBEX Engineers and Contractors