Public Works Department Tender

HSR [11.60]Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

HSR [22.103.3]Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 3. 25 mm nominal bore

HSR [22.181]Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

HSR [22.85.3]Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. 3. 25 mm nominal outer dia Pipes

HSR [22.85.4]Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. 4. 32 mm nominal outer dia Pipes

HSR [22.98.3]Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 3. 32 mm nominal bore.

HSR [28.7]`Providing and applying waterproofing treatment using two component 100% solid content, hybrid polyurea/polyurethane, rapid curing and highly resilient fully bonded cured to membrane having a mixed density of 1.02g/l. Minimum recommended coverage rate is 1.5ltr/sqm in 2 coats to achieve a total DFT of 1.5mm. cured membrane shall exhibit: 1) Tensile strength ASTM D412 : )13 MPa 2)Tear Resistance ASTM D624C : 50 N/mm2 3) Shore A Hardness: 80 4)Elongation ASTM D412 : )450% 5 ( 1kg, CS 10 wheels,ASTM D 4060): 1.3 mg/1000 cycles 6) Service temperature: -20°C to plus 80°C 7) Resistant to Fire (EN13501-1)-Class E,d0 Manufacturers shall provide Certificate for Zero VOC, resistance to fire, 25 years life expectancy test certificate before the start of work. System includes supply , application and termination of coating all complete as per the manufacturer methodology. Clean the RCC slab/screed surface and wall for treatment by removing dust, dirt and layers of concrete over the surface. etc. by mechanical tools and wire brushing. Pressure grouting at construction joints or honeycombs with non shrink cementations grout by mixing shrinkage compensating admixture per bag of cement as per manufacturer’s recommendations. Prepare a side gola of 50X50 mm at the junction using polymer modified mortar. Providing and applying two component 100% solid content, hybrid polyurea/polyurethane membrane at coverage rate of 1.5ltr/sqm in 2 coats to achieve a total DFT of 1.5mm. It must be applied utilizing plural heated high-pressure spray proportioning machine/spray gun . Termination shall be done 300 mm above FFl by providing a groove cut of 30mm x 30mm and seal it with shrinkage compensated polymer modified mortar. Lay a 150 GSM geotextile layer to protect the coating from external damage on final coating before laying of screed concrete/final finish. It shall be applied as per manufactures specification. Rates are incl of surface preparation, grouting and chemical application only. (Rates for geotextile, protection plaster and final finishes such as screed or Brick bat filling for slope, china mosaic, tiles etc is not included in above item. It will be added as per EIC/clients requirements). `

HSR [30.17]Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In-Charge.

HSR [30.37.1]Finishing walls with Acrylic Smooth exterior paint of required shade : 1. Old work (Two or more coat applied @ 1.67 litre/ 10 sqm) on existing cement paint surface

HSR [30.89]Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in-charge.

HSR [30.90]Cleaning of terrace/loft water storage tank (inside surface area) up to 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

HSR [5.14]Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

HSR [7.22.1]Brick work with common burnt clay non-modular bricks of class designation 10.5 in superstructure above plinth level up to floor IV level in all shapes and sizes in : 1. Cement mortar 1:4 (1 cement : 4 coarse sand)

HSR [9.12.1]10cm thick (average) mud phaska of damped brick earth on roofs laid to slope consolidated and plastered with 25 mm thick mud mortar with bhusa @ 35 kg per cum of earth and gobri leaping with mix 1:1 (1 clay : 1 cow-dung) and covered with machine moulded tile bricks, grouted with cement mortar 1:3 ( 1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement and finished neat. 1. With machine moulded common burnt clay non-modular brick tiles of class designation 12.5, conforming to IS 2690

HSR [9.17.1]Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : 1. In 75x75 mm deep chase

HSR [9.18]Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete.

HSR HSR Recovery items @ Rs.357.00 per cum HSR [2.B0146] Credit of Brick Bats

HSR HSR Recovery items @ Rs.4465/- 1000 Nos. HSR [2.B0156] Credit of Common burnt clay F.P.S. (non modular) bricks tile class designation 10