Kolkata Port Trust Tender

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur Variety (Add extra over the rate of ground floor for basement and each additional floor above ground floor up to 4th floor @95.00 per floor a) for GF floor roof

Provide and lay bricks work with 1st class bricks in cement mortar (1:6). In superstructure in 1st floor roof. Add extra for basement and each additional floor over the rate for ground floor up to 4th floor (@111.00 / floor ) 1st floor including roof

Labour for Chipping of concrete surface before taking up plastering work.

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] 20 mm thick plaster (6:1) for Ist Floor

15 mm. thick plaster (6:1) for 1st Floor

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete. UPVC Pipes: 110 mm. Dia.

Bend 87.5 degree 110 mm. Dia.

Shoe/Plain Tee 110 mm.dia. Depth of excavation not exceeding 1,500 mm.

Removing chokage of rain water pipes with split bamboo.

Renewing cemented joint of down pipe.

Taking out rain water down pipe.

Taking out old damaged tarfelt from roof, parapet etc. Preparing the roof surfaces by removing all spoils, blisters moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-charge for all floor

Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point 150 deg C, Cold Flexibility -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300(longitudinal), 200 (transverse

Repairs to roof cracks with cement and sand mortar (1:4) including cutting grooves and cleaning cracks and grouting the cracks with neat cement before repairs. (Cement 0.63 Kg/Mtr. )

Provide and apply two coats of bonding agent with synhetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1bonding agent :4 water : 6 cement) as per Manufacture's specification.

Supply of Cement at site for the works under Item14(a) (As per Annexure 1 Table 1.1 Format A STEP 3 PSC/OPC (33 grade