REPAIR TO ROOF TREATMENT IN TECHNICAL AREA AND OTHER CONNECTED WORKS

Amount

M&L and taking down of existing unserviceable roof treatment materials and PCC / CM / Brick tiles padding etc from top of roof upto slab (complete depth) carefully by cutting chiseling, cleaning the surface by scraping brooming brushing etc and removing the rubbish from site exc. 500m but n exc 5.00 Km (Outside of MoD land) and applying roof treatment with the following specifications:- (a) Rendering 10mm thick in CM 1:3 with water proofing compound on cleaned concrete surfaces of roof and finishing the surfaces fair and even including curing the plastered surfaces for 07 days by ponding of water over the roof (Levelling course). (Note : Water proofing compound shall be paid and measured separtely). (b) Applying evenly first coat cold bitumen primer confirming to IS-3384-1986 @ 0.40 Ltr per square metre on the cleaned plastered surfaces. (c) Applying evenly second coat of blown hot bitumen of grade 85/25 @ 1.20 kg per square metre (confirming to IS-702) on primed surfaces. (d) Applying third coat of APP modified membrane 3mm thick (minimum) and weight 3.60 Kg per square metre (reinforced) with polyster non woven fabric weighing not less than 150 gms per square metre by torch application. The overlap shall not be less than 100mm on the transverse direction and 75mm on longitudinal direction respectively and sealing overlaps. Notes :- (i) Payment against this item shall not be allowed till completion of all the stages of work for any slab. (ii) The work shall be executed through well-trained applicators as per manufacturer's instructions after obtaining written approval from the GE. (iii) Make of Butumen: HPCL, IOCL & BPCL (iv) Make of APP Membrane: M/s Sika India Pvt Ltd, M/s STP limited, M/s IWL India Ltd, M/s Asian Paints Ltd. (iv) Torchtar Brand APP Membrane , flashing tapes & wraping coat.

M & L for Cement concrete tiles 25cm x 25cm x 22mm thick, machine pressed; set jointed and pointed in neat cement slurry with mixture of grey cement and no pigments as in floors, and cut and polished over a screed bed 15mm thk in CM 1:4 including Keyed pointing to cement concrete tile in CM (1:3) complete all as specified and as directed by Engineer-in-Charge.

Dismantling plain or corrugated steel sheets, asbestos cement (corrugated, semi corrugated) etc sheets and any type or any description of roof covering, complete all as specified and as directed by Engineer-in-Charge.

S&F Pre-painted galvalume aluminium zine coating GI based corrugated steel sheet 0.50mm thick of any colour having tensive strenght of 550/MPA as in roof covering/cladding to wall, fixed wish self tapping screws complete all as specified and as directed by Engineer-in-Charge.

All as per Srl item No 04 above but plain sheets as in ridges / valley gutter complete all as specified and as directed by Engineer-in-Charge..

Dismantling Wrought Iron or Mild Steel Work, viz. MS Flat Iron (Wind Tie) and Similar Work including MS Bolts, Nuts, etc., and keep in Safe Custody for re-use, complete all as specified and as directed by Engineer-in-Charge.

M&L for roof trusses (framed) purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc Fe-410W (Gde E-250) quality A incl one shop coat of zinc chromate primer paint incl preparation of surfaces at contractor's workshop before fabrication complete all as specified and as directed by Engineer-in-Charge.

Taking up or down steel water tubing and connections,15 mm bore including cleaning for refixing or removal to store complete all as specified and as directed by Engineer-in-Charge.

S&F for steel water tubing of nominal bore 15 mm medium grade galvanised with all fittings including short lengths, fixed to walls, concealed in wall and ceiling or laid in floor complete with all fittings (such as bends, elbows, Tee, short pieces, connectors, back nuts, diminishing pieces, caps and plugs, unions etc.) complete all as specified and as directed by Engineer-in-Charge.

Fixing only water tubes of 15mm dia of any grade to walls and ceiling or laying in floor, complete all as specified and as directed by Engineer-in-Charge.

Taking up or down steel water tubing with connections,20 mm bore including cleaning for refixing or removal to store complete all as specified and as directed by Engineer-in-Charge.

S&F for steel water tubing of nominal bore 20 mm medium grade galvanised with all fittings including short lengths, fixed to walls, concealed in wall and ceiling or laid in floor complete with all fittings (such as bends, elbows, Tee, short pieces, connectors, back nuts, diminishing pieces, caps and plugs, unions etc.) complete all as specified and as directed by Engineer-in-Charge.

Fixing only water tubes of 20mm dia of any grade to walls and ceiling or laying in floor,complete all as specified and as directed by Engineer-in-Charge.

Taking down eaves gutters and rain water pipes(any size or pattern), including all fittings, heads, shoes, bends, swan necks, etc including cleaning or refixing or removal to store complete all as specified and as directed by Engineer-in-Charge.

S&F in repair 110mm dia PVC (SWR) bends in any description complete all as specified and as directed by Engineer-in-Charge.

S&F in repair PVC (SWR) pipes 110mm single socketed in any length with rubber ring jointed fixed to walls complete all as specified and as directed by Engineer-in-Charge.

Demolition of brick work or stone/boulder masonary of any description in cement mortar complete all as specified and as directed by Engineer-in-Charge.

M&L brick work with sub class B bricks straight or curved on plan exc 6m mean radius in CM 1:6 complete all as specified and as directed by Engineer-in-Charge.

All as per srl item No. 18 but except bricks complete all as specified and as directed by Engineer-in-Charge..

Taking down cement plaster 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 by Engineer-in-Charge.

M&L for 15mm thick rendering on brick work or concrete surfaces in cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and as directed by Engineer-in-Charge.

M&L for applying two coats of acrylic exterior emulsion paint after filling putty or white cement to holes, cracks and uneven surfaces where required, over a coat of primer on camouflage pattern on newly plastered wall surfaces including preparation of surface, complete all as specified and as directed by Engineer-in-Charge.

M&L for applying one coat of acrylic exterior emulsion paint after filling putty or white cement to holes, cracks and uneven surfaces where required, in camouflage pattern over existing old painted wall sufaces including preparation of surface, complete all as specified and as directed by Engineer-in-Charge.

Preparation of surface (Cement/Concrete/membrane etc) and applying two coats of aluminium paint over a coat of primer, complete all as specified and as directed by Engineer-in-Charge.

Supply only integral water proofing compound complete all as specified and as directed by Engineer-in-Charge.

Preparation of new surface any description not otherwise described area 10cm width or girth and apply two coats of synthetic Enamel paint, complete all as specified and as directed by Engineer-in-Charge.

M&L for preparation of old painted steel or steel based surfaces of any description over 10cm width or girth not otherwise described and applying one coat of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge.

Disconnecting existing water tanks exc 250 & n.exc 500 Ltr capacity, setting aside (or lovering if required ) and cleaning and removing all scale and dirt etc from tanks and from mouths of circulating pipes and reconnecting and re-fixing in position, complete all as specified and directed.

Disconnecting existing water tanks exc 500 & n.exc 1000 Ltr capacity, setting aside (or lovering if required ) and cleaning and removing all scale and dirt etc from tanks and from mouths of circulating pipes and reconnecting and re-fixing in position, complete all as specified and as directed by Engineer-in-Charge.

Dismantling and removing to water storage tanks of capacity exc 250 & not exceeding 500 litres and removing to stores complete all as specified and as directed by Engineer-in-Charge.

S&F rotational moulded polyethylene 3 layers water storage tanks ( cylindrical vertical with threaded closed top cover ) hoisted and fixed in position all as specified in SSR Part-I of capacity 500 litres including all accessories, complete all as specified and as directed by Engineer-in-Charge.

Dismantling and removing to water storage tanks of capacity exceeding 500 litres but not exceeding 1000 ltrs and removing to storescomplete all as specified and as directed by Engineer-in-Charge.

S&F rotational moulded moulded polyethylene 3 layers water storage tanks ( cylindrical vertical with threaded closed top cover ) hoisted and fixed in position all as specified in SSR Part-I of capacity 1000 litres including all accessories,complete all as specified and as directed by Engineer-in-Charge.

S&F in repairs 20 mm bore dia of pipe ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe and fixed (min weight 20 mm - 210 grms) complete all as specified and as directed by Engineer-in-Charge.

M&L 03 Coats water proofing damp proof painting on roof surfaces including preparation of surfaces including filling of cracks if any with crack seal , all as per manufacturer;s instruction complete all as specified and as directed by Engineer-in-Charge. Note : Colour / Tint shall be approved by GE.

ANIKET TRADERS

APARANA ENTERPRISES

VISHWA MITTAR PACHYALA

TARUN BUILDERS

PARAS RAM ASGOTRA AND SONS

TULSI RAINA AND SONS