REPAIRS TO WATER PROOFING TREATMENT, ANTI TERMITE TREATMENT IN CERTAIN BLDGS IN DOMESTIC/TECH AREA AT AF STN SURYALANKA

Amount

M&L for anti termite treatment post construction At points of contact of wood work by chemical emulsion (in oil or kerosene based solution) @ 0.5 litre/hole by drilling 6mm dia holes at a downward angle of 45 degree at 150mm centre to centre and sealing the same all as specified and directed.

M&L for anti termite treatment post construction Treatment of soil under existing floors using emulsion @ one litre per hole, 300mm apart including drilling and plugging 12mm dia holes with cement mortar 1:2 (1 cement: 2 coarse sand) to match the existing floors complete all as directed.

M&L for anti termite treatment post construction Along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc. in apron all as specified and directed.

Demolition of Brick work built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facings, dressed stone work and precast concrete articles complete all as directed.

M&L for Brickwork with sub-class `B' old size bricks, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 all as specified and directed.

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

M&L for rendering 10mm thick on fair faces of brick or concrete in CM 1:6 finishing even and smooth with out using extra cement all as specified and directed.

M&L for rendering 15mm thick on fair faces of brick or concrete surfaces in two layers, first layer 10 mm thick in CM 1:6 and second layer 5 mm thick in CM 1:4 finishing fair and even mixed with WPC as per manufacturer's instructions all as specified and directed. (Note : Supply of water proofing compound shall be measured and paid seperately).

Supply only of liquid waterproofing compound of approved make.

M&L for preparation of newly plastered surfaces of walls and applying three coats of white wash all as specified and directed.

Disconnecting existing water tanks of capacity 1000 Ltrs to 1000 Ltrs, setting aside (or lowering if required) for repair, cleaning etc and hoisting if required, reconnecting and re-fixing in position (cleaning, repairing etc measured seperately).

Disconnecting existing water tanks of capacity 500 Ltrs to 1000 Ltrs, setting aside (or lowering if required) for repair, cleaning etc and hoisting if required, reconnecting and re-fixing in position (cleaning, repairing etc measured seperately).

S&F for 20mm outer diameter of 3-layers PP-R ( polypropylene random copolymer) pipes SDR-7.4 (PN16) UV stabilized and antimicrobil fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropyene random fittings fixed complete to walls, ceilings or in floors etc including taking down old pipes all as specified and directed

Taking down and removing of existing water proofing treatment of any description completely, taking down of old cement plaster if any or roughening of surfaces and cleaning the top surface of RCC slab with using wire brushes and water to remove all dust and loose particles etc complete all as spd and as directed.

M&L for rendering 10mm thick in cement mortar 1:3 on roof/ concrete surfaces with using water proofing compound as per manufacturer's instructions, surface finished even and smooth without using extra cement complete all as spd and as directed. (Supply only of water proofing compound/admixture shall be measured and paid separately).

M&L for water proofing treatment with 4mm thick APP modified membrane weighing not less than 4Kg/Sqm reinforced with non woven polyester matt weighing not less than 160 Gram/Sqm having softening point not less than 140 degree celsius, longitudinal tensile strength not less than 300 N/Sqm, tearing strength of 180 N, laid after applying a coat of Bitumen Emulsion, Primer @ 0.20Kg/Sqm over the thoroughly cleaned surfaces to be water proofed. Membrane shall then be laid with 10Cm side overlaps and 15Cm end laps completely thermo fused by flame torch application as per manufacturer's instructions. Care shall be taken to avoid wrinkles while sticking the membrane on the bitumen surface. A coat of hot blown bitumen 90/15 shall be applied on top of the membrane @ 1.20 Kg/Sqm and finally finished with solar reflective aluminium paint @ 0.10 Kg/Sqm. The water proofing membrane shall be extended upto a height of minimum 30 cm on wall and inserted by cutting groove and filling with bitumen complete all as specified and as directed.

M&L for preparation of old plastered surfaces of walls and applying two coats of white wash all as specified and directed.

DHANA CONSTRUCTIONS (BID ID -3483494)

PAVANI INFRAS (BID ID -3485552)

J R CONSTRUCTIONS (BID ID -3484598)

BEST ENGINEERING (BID ID -3484476)

K R ENTERPRISES (BID ID -3484582)