Public Works Department Tender

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.

Sealing of cracks / porous concrete by injection process through nipples/Grouting complete as per Technical specification. Cement mortar (1:1) Grouting

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge.

Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturer's specification

Applying 2 coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturer's specification for water proofing layer in water tank etc. (No Departmental Cement is required)

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur Variety

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). With 1:4 cement mortar 10 mm thick plaster

With 1:6 cement mortar 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc.

Application of priming coat for standard bituminous waterproofing treatment over flat roof with Bitumen primer of approved brand fufilling the provision of I.S. 1346 - 1991 & 3384 - 1986 applied @ 0.27 Liters /Sq.m. over clean and prepared roof surface complete as per satisfaction of the Engineer - in - Charge.

Emergent Roof treatment by application of ready-to-use, non toxic,water based,cold applied,single component, elastomeric in-situ seamless monolithic,acrylic modified bituminous liquid water profing membrane(Tarfelt LM or any other equivalent product)after prepairing the surface by cleaning and repairing the roof cracks by cement & sand mortar(1:4), preferably with antishrinkage mortar (repairing by morter to be paid separately), if any. apply one coat(diluted with water in the ratio of 50:50 and apply @ 400grm/sqm of the mixture)(time gap between coats-after priming coat allow it to touch dry, and after final coat allow 36 hrs for any further work) including the cost of materials and base cleaning, tols & plants complete as per direction of Engineer-in-charge.(Conduct ponding test after 7 days of curing at ambient temperature)(cover layer not required)

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)

Add GST @ 18% on Rs. 390543.00 i.e total amount over item no. 1 to 14

Add Labour Welfare Cess @ 1% on Rs.460841.00 i.e. Total amount over item No. 1 to 20