CERTAIN B/R REPAIR/ REPLACEMENT WORK IN DANGER BUILDINGS AND WSA IN TECH AREA AT AF STN JAMNAGAR

Amount

Dismantling plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified as directed by Engineer in Charge.

S&F pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified as directed by Engineer in Charge.

M&L for pre-painted galvalume aluminum Zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof ridges etc fixed with self drilling screws complete all as specified as directed by Engineer in Charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified as directed by Engineer in Charge.

S&F roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) (Fe-410-W(Gde-E-250) quality-B) including distance pieces, cleats etc including steel is painted one shop coat of zinc chromate primer paint (including preparation of surface) at Contractor’s workshop before fabrication, etc complete all as specified as directed by Engineer in Charge.

S&F steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete all as specified as directed by Engineer in Charge.

S&F rolled mild steel Fe 410-W (Gde-E-250) quality-B in framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, 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 including preparation of surface & painted with one soap coat of zinc chromate primer paint at Contractor’s workshop before fabrication, etc complete all as specified as directed by Engineer in Charge.

Demolition of brickwork or stone/ boulder masonry / PCC block masonry, built in cement or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified as directed by Engineer in Charge.

M&L for pre-cast cement concrete block masonry type C-1,1:3:6 (20mm graded aggregate) with solid blocks, exc. 10 cm in width and setting in cement mortar 1:6, complete all as specified as directed by Engineer in Charge.

Taking down cement plaster on brick wall, ceilings etc, racking out joints, hacking for key & scrubbing with water completely all as specified as directed by Engineer in Charge.

M&L rendering 15mm thick in cement plaster in CM 1:6 on fair faces of brick or concrete, external surfaces of walls finished the surface fair and even without using extra cement complete all as specified and directed by Engineer in Charge.

M&L rendering 10mm thick in CM 1:4 on other than fair faces of brick or concrete, internal surfaces of walls finished the surface fair and even without using extra cement complete all as specified as directed by Engineer in Charge.

M&L for preparation of newly plastered or un plastered surfaces of walls and applying two coats of oil bound distemper over one coat of primer incl a coat of cement based wall care putty complete all as specified as directed by Engineer in Charge.

M&L for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new/old surfaces (exterior weather coat) paint in normal/camouflage pattern as directed by Engr-in-Charge of any tint as approved over one coat of primer complete all as specified as directed by Engineer in Charge.

M&L for preparation of new or previously untreated steel surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint (ordinary tint) over a coat of red oxide, zinc chrome primer complete all as specified as directed by Engineer in Charge.

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

M&L for approved earth filling by spreading levelling to make the required level etc. in back of Traverse Wall along Danger buildings upto 10m height from GL complete all as specified and as directed by Engineer-in-Charge. Note- (i) Soil required for filling shall be brought out from out side MD Land under his own arrangement of contractor (ii) Soil shall be free from pebbles, stones, bushes, shrubs, other vegetation, black cotton soil and shall have non-silting and non-swelling properties complete (iii) Measurement for filling in back of traverse wall shall be carried out by stack measurement of the soil brought by the contractor (iv) Measurement shall be carried out for net finished volume of earth filled subjected to 20% deduction due to bulkage.

S&F in repair for purpose made MS framed work as in weep hole cover of flat Iron frame with welded mesh (Min wieght should not be less than 250 gms each) complete all as specified and directed by Engr in Charge.

M&L for repairing the edge / corner of Chajja / roof projection and similar work by removing plaster width / girth exc 200mm but not exc 300mm and making good with 10mm thick rendering in cement mortar 1:3 to match with existing surface complete all as specified as directed by Engineer in Charge.

Removal of existing roof treatment consisting of screed bed, tar felts of any description etc, and removal of debris out side MD land complete all as specified as directed by Engineer in Charge.

M&L for screed bed or bedding layer of mortar 10 mm thick in cement mortar 1:4 including mixing only liquid water proofing compound as per manufacturers' instructions and finishing the surface fair and even complete all as specified as directed by Engineer in Charge. Note:- WPC will be measured & Paid separately

Supply only liquid water proofing compound complete all as specified as directed by Engineer in Charge.

Material and labour for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application complete all as specified as directed by Engineer in Charge.

Demolition of concrete (un-reinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) including removal of debris to out of MoD land complete all as specified as directed by Engineer in Charge.

M&L for cement concrete type B- 1, 1:2:4 (20mm graded aggregate) as in road / hardstanding of thickness 150 mm including steel formwork and finishing the surface using floater etc complete all as directed by Engineer-in-Charge

M&L for 75 mm thick cement concrete type D-2, 1:4:8 (40mm graded aggregate) in sub-floors, sub-bases, floors and pavings etc complete all as specified as directed by Engineer in Charge.

M&L for sand cushioning 25mm thick over concrete surfaces, spread complete all as specified as directed by Engineer in Charge.

M&L for machine pressed precast concrete interlocking paver block of approved shape and size of 60mm thickness, with minimum compressive strength of 35N/sqm (M-35), without correction factor for chamfering, made in rubber moulds with 0.50mm thick scratch proof lacquer coating on top surface, with grey cement and pigment laid complete all as specified as directed by Engineer in Charge.

Demolition of existing concertina coil of any dia from top of the Boundary wall complete.(Note : Length will be measured as length of Boundary wall to be demolished) complete all as specified as directed by Engineer in Charge.

S&F concertina coils 1060mm dia after stretching with five Nos clip and pitch between the barbs 24.5mm etc as approved by Engr -In-Charge.

S&F in repair Galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails strain- ing bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (Note :- each line wire to be measured) complete all as specified as directed by Engineer in Charge.

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