Public Works Department Tender

Providing and fixing on wall face unplasticised rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes - 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - Coupler - 110mm

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - bend 87.5 degree - 110 mm bend

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - shoe (plain) - 110mm shoe

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50x50x50mm hard wood plugs , screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 Fine aggregate) and making good the wall etc., complete - 110mm

Providing and applying white cement based putty of average thickness 1mm of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete

Finishing walls with textured exterior paint of required shade - New work (Two or more coats applied @ 3.28 ltr / 10 sqm ) over and including priming coat of exterior primer applied @ 2.20 kg / 10 sqm

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound) content less than 50 grams / litre of approved brand and manufacture , including applying additional coats wherever required to achieve even shade and colour - Two coats

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound) content - with water thinnable cement primer on wall surface having VOC content less than 50 grams / litre

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade- One or more coats on old work

Finishing walls with water proofing cement paint of required shade- Old work (one or more coats @ 2.20 kg/10 sqm) complete

Raking out joints in lime or cement mortar and preparing the surface for repointing or replastering , including disposal of rubbish to the dumping ground all complete as per direction of Engineer-in-charge

Flush pointing with cement mortar 1:3 (1 cement : 3 fine aggregate) mixed with 2% of integral water proofing compound by weight of cement for flat tile bricks on top of mud phaska - with F.P.S. brick tiles

Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story height made with 40 mm dia .M.S.tube 1.5m centre to centre , horizontal & vertical tubes joining with cup & lock system with M.S.tubes, M.S.tube challies, M.S.clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as approved. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. (Note: This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.)

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. - Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead - for thickness of tiles 10mm to 25mm

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead

Acid cleaning for the existing Mosaic floors, glazed tiles work and removing the stains and decays to give a glassy look etc complete (The Acid used shall be 32% concentrated hydrochloric acid after taking on the precautionary measures)

Grading roof for water proofing treatment with - Cement concrete 1:2:4 (1 cement : 2 fine aggregate : 4 graded stone aggregate 20 mm nominal size)

Chipping of unsound / weak concrete material from slabs, beams , columns etc. with manual Chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-incharge- 50 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry , all complete as per direction of the Engineer-in-charge Bars above 12mm diameter

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. 26.31.1SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement : 4 graded fine aggregate with polymer minimum 2% by wt.of cement used) as per specifications and direction. Note: Measurement and Payment : The Pre-measurement of thickness shall be done just after the surface preparation is completed and payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and / or the 75mm size cube crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 25 mm average thickness in two layers

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement 4 graded fine aggregate with polymer minimum 2% by wt.of cement used) as per specifications and direction. Note: Measurement and Payment : The Pre-measurement of thickness shall be done just after the surface preparation is completed and payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and / or the 75mm size cube crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 50 mm average thickness in two layers .

Water proofing treatment of RCC sunshade with Zycosil / equivalent water proofing solution (1 litre of Zycosil / equivalent & 20 litres of water stirred first & 2 litres of Zyco prime/equivalent added and stirred (total 23 litres) till it meets the saturation level and testing as per RILEM or by water drops test in which water drops do not absorb but drops remain or rolls