DCSEM/CQD/QSB/21-22/NIT/32 dated 22.07.2021

Amount

GENERAL ABSTRACT

PART - I - MAIN ITEMS

PART - II - REBATE ITEMS

Description of Work / Item(s)

Amount

PART - I - Main Items

Providing & Applying seamless Acrylic based chemical waterproofing system with minimum 1 mm DFT (dry film thickness excluding thickness of membrance) including surface preparation as per general notes, including providing & applying crack filler & sealer, primer coat, reinforcing membrane ( minimum 45 GSM) and multiple layers of chemical coat ( 2 to 3 coats as per manufacturer's specification with minimum consumption @ 1.6 +/- 5 % kg per sqm), removing the existing damaged water proofing treatment completely ( by machine polishing & grinding), washing by water jet, cleaning, all complete as per the manufacturers specifications and as directed by EIC, using any of the following waterproofing systems 1) Smartcare Damp Proof of M/s Asian paints 2) Dr. Fixit Newcoat of M/s Pidilite3) Brushbond Roof Guard of M/s Fosroc 4) ShaliCryl® LM HI of M/s STP Limited, all confirming to the following technical requirements: Physical/Chemical properties: Sp. Gravity : 1 +/- 0.2 Solid content & Tensile Strength : as per manufacture specifications. Tensile Strength @ 14 days : 0.5N/mm2 to 1.0 N/mm2 Elongation : 100% minimum UV Resistant : continuous 500 hrs (min) as per ASTM D4587 Tested as per manufacture specifications

Over terrace slab, top of mumty, water tank and parapet etc. at all levels & locations

Supplying and fixing following size type-B uPVC UV-Stabilised soil / waste qualitypipes and fittings for soil, waste, vent,antisyphonage pipe and rain water pipe linesconsisting following items of work:- i) Removing the existing damaged cast ironpipelines alongwith fittings of various diaranging from 50mm to 150mm dia withoutdamaging the adjoining structure andhanding over the pipes to deptt stores/directed place. ii) Providing and fixing uPVC UV-Stabilised Soil/ waste pipe of type-B conforming toIS:13592 with fittings as per DIN 19531/DIN19534 and conforming to IS:14735 laid infloor & on Exposed faces of wall of Suprememake or equivalent approved make. iii) Fixing the pipeline vertically by Metal clampswith rubber seal of Supreme make Cat. No.SWRMCR 1 to 6. iv) Providing and fixing uPVC cowl at the topof soil, waste water & vent pipe line. v) Laying the pipe below floor/ground toproper slope and gradient for makingconnections of soil pipe line with inspectionchamber or Manhole, waste waterconnection with Gully trap Chamberincluding the cost of cement mortar, cementconcrete,water proofing compound etc. vi) Jointing the pipe with Solvent Cement &IS 5382) with making holes in walls / floorgrooving and redoing the same and bricksupport etc. Giving water-tightness testfor the pipes laid as per codal provisions.Providing Ring Joint pipes at verticals andsolvent cement jointed pipes at consealedlocations. vii) Necessary cutting to the required lengthincluding short pieces, fittings with &without door, assorted fittings such as plugs,tees, couplers, reducers, cross tees, reducingtees, elbows, bends, cleaning pipe, single &double Y, vent cowl, WC connectors, offsetsetc. viii) Dewatering the pit / trench if necessary,till completion of work. ix) Painting with two coats of heavilypigmented,exterior water based latex paint,scaffolding if necessary.

110 mm dia.

Removing and Refixing, testing & paintingheavy quality (Class 'C') M.S. galvanizedpipes including fittings like elbows, collars,tees, unions, couplings, reducers, enlargers,bends and all other fittings required for thecompletion, including the cost of all jointingmaterials like hemp yarn, white or red lead,clamps, wooden gutties, screws, cement,sand etc., including proving pvc sleeves atwall/concrete portion of pipe includingremoving the old damaged G.I. pipes &handing over to dept. stores, scaffolding,testing the pipes etc. complete all as perspecification and as directed by theEngineer-in-Charge.

Providing, laying, jointing, fixing, testing &painting heavy quality (Class 'C') M.S.galvanized pipes as per I.S. 1239-1968including fittings like elbows, collars, tees,unions, couplings, reducers, enlargers,bends and all other fittings required for thecompletion except screwed flangesconforming to I.S.1239-1968 & also as perthe code of practice of water supply in bldgs.of I.S.2065-1972 including laying under floors,chasing, in walls,roof slabs and making good thesame to the original conditions, including thecost of all jointing materials like hemp yarn,white or red lead, clamps, wooden gutties,screws, cement, sand etc., including provingpvc sleeves at wall/concrete portion of pipeincluding removing the old damaged G.I.scaffolding, testing the pipes etc. complete allas per specification and as directed by theEngineer-in-Charge.

Providing and fixing in position heavypattern screw down gun metal Gate Valveconforming to IS:778 with hand wheels at topincluding testing for 10 Kg./Sq.Cm. pressurewith clean and potable water with aminimum testing duration of two hours etcincluding removing gun metal Gate valve &returning to deptt stores etc complete all asper specifications and as directed by theEngineer in Charge.

Brick work 230/115 mm thick in cementmortar 1:6 at all level and locations usingwell burnt locally available bricks ofapproved quality including scaffolding,raking out joints above ground levelsimultaneous pointing below ground level,curing, scaffolding, etc. complete all as perspecifications & as directed by theEngineer-in-Charge.

Sand faced cement plaster 20 mm thick inCM 1:4, two coats using factorymanufactured pre mix/ready mix of 'RoofitMix'of M/s Premier Floor to RoofMaterials pvt.ltd/ 'Easy plast' of M/sWalplast Products pvt.ltd/ 'Readiplast' ofM/s Ultratech Cement Ltd or other approved equivalent make, having minimumcomposition of C:S :: 1:4 using fully treateddry, well graded natural sand conforming toIS 383 suitable for external plastering,having low rebound properties, low waterdemand for curing properties, mechnicalmixing with water in a metalic tray only tomake good consistency as per thespecification of the Manufacturer andapplied over exterior masonry and concretesurfaces with base coat of 12 mm thick and finishing coat of 8 mm thick finalrendering,including using richer mix formaking corners if necessary, at all floors andlevel, including making grooves of existingsize wherever required, including cleaningthe surfaces, curing etc.including removingscaffolding existing damaged/ worn outplastering and disposing off debris outsidecolony etc. complete all as per specifications& as directed by the EIC.

Demolishing brick masonry in cement mortar and plaster at all floors & levels including scaffolding, stacking of serviceable materials &disposing of unserviceable materials out side colony etc. complete allas per specification & as directed by the Engineer-in-Charge.

Repairs to damaged RCC structural members at all locations/ floors using polymer modified cementatious mortar, for strengthening the existing RCC structural members using polymer (dept supply at fixed rate) and comprising the following operations: i) Breaking cracked/ spalled concrete members along the cracks with plaster, including removing and stacking of all unserviceable material at site, simultaneous transportation and disposal of debris outside colony etc. complete all as per specifications and as directed by the Engineer-in Charge. ii) Exposing and cleaning the reinforcement thoroughly by light tapping/ wire brushing of using strong emery paper and finally by rust remover of Dr. Fixit/ M/s. Anuvi Chemicals, M/s. Fosroc or equivalent. iii) Applying a coat of polymer and cement slurry in the ratio 1:1 by volume to the reinforcement bars. Building up with polymer modified cementatious mortar for RCC structural members etc. in layers not exceeding 20 mm in a day (proportion – cement 50 Kg. : Silica sand 125 Kg. : polymer liquid 10 ltrs.) with necessary bond coat (polymer : Cement = 1:1 by volume) for tack coat and also for subsequent layers using polymer including curing, etc. complete all as per specifications and as directed by the Engineer-in-charge.

Providing, casting and fixing Cement concrete blocks of 300mm X300mm X 400mm (or other required size) of M-20 Grade forproviding supports to the water supply lines including beddingmortar, form work etc. complete all as per specification and asdirected by Engineer-in-charge.

Removing of existing electrical / communication cables fromparapet wall, walls etc and Refixing the same to the required location after completion of work etc complete all as per specifications and as directed by the EIC.

Providing & laying plain Cement Concrete of (1:2:4) grade using graded stone aggregateof 10 mm down aggregate including placing, vibration, consolidation, finisihing, curing etc. at all heights / levels (including cost of formwork) etc. complete all as per drawings, specifications and as directed by Engineer-in-charge.

Description of Work / Item(s)

Amount

PART - II - Rebate Items

Taking away the scraps materials such as pipes, fittings, gate valves etc of various diameters & sizes outside the Anushaktinagar Colony.

a) CI Pipe of various dia.

b) G.I. Pipe of various dia.

c) Gate Valves of various dia.

AQUASEAL TECHNOLOGIES

R C Bidave

Venus Enterprises

NANU CONSTRUCTION

AQUASEAL TECHNOLOGIES

R C Bidave

Venus Enterprises

NANU CONSTRUCTION

S.B ENTERPRISES

Venus Enterprises

R C Bidave

NANU CONSTRUCTION