DCSEM/CQD/QSB/21-22/NIT/44 dated 16.08.2021

Amount

GENERAL ABSTRACT

PART - I - CIVIL WORKS

PART II - PUBLIC HEALTH WORKS

Description of Work / Item(s)

Amount

PART - A

Providing and erecting double bamboo scaffolding using minimum 50 to 75mm dia best quality bamboos tied with coir rope and the horizontal and vertical members of the bamboos to be provided as required at spacings of not more than 900mm apart both horizontally and vertically including providing cross supports as struts to the scaffolding properly to the building for maintenance/ repair works of external surfaces of buildings as and when required including providing necessary safety belt and helmet to the workers, dismantling the scaffolding and taking back the scaffolding, safety belt and helmet after the repair works are completed including cost of transportation, labours, bamboos etc. complete all as per specifications and directed by the Engineer In-charge. Note:The elevational area of the scaffolding(external building surface) shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. .

a) Double bamboo scaffolding

b) Supplying and erecting M.S. tubular scaffolding using 'H' frames of M/s. Acrow India (or) equivalent with horizontal and vertical rows @ suitable spacing as per I.S. specification suitably overlapped at junctions and cross braced wherever required securely tied,supporting the scaffolding with building members as per permitted by the Engineer-in-Charge, including providing necessary safety belt and helmet to the workers and dismantling & taking back the scaffolding, safety belt and helmet after the repair works are completed including Necessary aluminium/ M.S. ladder dog legged type all as per specifications and directed by the EIC i) Double steel Tubular scaffolding. Note:The elevational area of the scaffolding(external building surface) shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.

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 acetone /rust remover of Dr. Fixit / Anuvi chemicals / Fosroc or other eqivalent.iii) Applying a coat of polymer and cement slurry in the ratio 1:1 by volume to the reinforcement bars.

a) 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, covering the flooring /window with tarpaulins or equivalent covering material to avoid deposition of polymer mortar and cleaning of floor / windows thoroughly on completion of repair work etc. complete all as per specifications and as directed by the Engineer-in-charge

b) Repairing with polymer bonded mortar up to 35mm thick in layers of not exceeding 20mm (with out chicken mesh) in a day (proportion- cement 50 Kg : silica sand 125 Kg) with applying protection coat / bond coat to reinforcement, bond coat to old concrete and bond coat for every successive layers of 20mm thick in proportion polymer : Cement-1:1 by volume as per specification including covering the floor/windows with tarpaulin or equivalent covering material etc., and cleaning after repair etc., complete all as per specifications and as directed by the Engineer in charge.

c) Repairing with polymer bonded mortar average 70 mm thick in layers not exceeding 20 mm in a day (proportion – cement 50 kg : silica sand 125 Kg. ) with applying protection coat / bond coat to reinforcement and bond coat for every successive layers of 20 mm thick in proportion Polymer : cement – 1:1 by volume as per specification including one layer of Chicken mesh 22 gauge, including covering the floor / windows with tarpaulin or equivalent covering material etc. and cleaning after repairs, curing etc. complete all as per specifications and as directed by the EIC.

Jacketing and strengthening of R.C.C column with free flow self compacting micro concrete made with Roff concrete Repair (Super flow micro concrete) manufactured by M/S. Roff construction chemical, (or) Renderoc RG manufactured by M/s. Fosroc chemicals (India) limited (or) ESSEN construction chemical or other approved equivalent make, which consist of dismantling loose concrete along with plaster, cleaning the reinforcement thoroughly with wire brush and finally with acetone, making micro concrete by mixing prepacked dry micro concrete and water in proportion as prescribed by the manufacture, mixing them thoroughly for 5 minutes for achieving free flow state of micro concrete, pouring the micro concrete in layers, compacting the concrete by blowing strokes with 16mm steel rod curing for 10 days (curing shall be commenced immediately after 4 hours of pouring concrete) etc. including providing shuttering and disposal of debris outside colony etc. complete all as per specifications and as directed by the EIC . NOTE: Measurement shall be taken as per actual consumption of pre-packed dry micro concrete in Kg. used for structural repairing work.

Reinforcement for reinforced cement concrete conforming to IS at all floors & levels including, supplying, cutting, bending, fixing and tying in position with 1.6 mm dia soft drawn annealed binding wire including cost of binding wire, labour etc. complete all as per specifications and as directed by the Engineer-in-Charge. Note:Binding wire required for the work will have to be supplied by the contractor & the same will not be measured for payment.

a)With high yield strength deformed bars Fe 500 grade

Sand faced cement plaster 20 mm thick in CM 1:4, two coats using factory manufactured pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Easy plast' of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces with base coat of 12 mm thick and finishing coat of 8 mm thick final rendering,including using richer mix for making corners if necessary, at all floors and level, including making grooves of existing size wherever required, including cleaning the surfaces, including membrane curing by applying one coat brush, roller or spray using acryalic based curing compound i.e. Resikure of M/s Anuvi Chemicals/ Concure Of M/s FOSROC or other equvalent ( as per manufacturer's specification ) including removing existing damaged/ worn out plastering and disposing off debris outside colony etc. complete all as per specifications & as directed by the EIC.

Rough cast cement plaster 25 mm thick in two coats, for base coat in CM 1:4 using factory manufactured pre mix/ready mix of of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Easy plast' of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd or other approved equivalent make,having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces at all floors & levels for base coat in 1:4, 12mm thick and finishing coat of 13 mm thick with cement and gravel in proportion of 1:3, including cleaning the surfaces, membrane curing etc. including making grooves of existing size wherever required, including removing existing damaged /worm out plastering and disposing off debris outside colony etc. complete all as per specifications & as directed by the EIC

Cement plastering using factory manufactured pre mix/ready mix mortar in CM 1:4 of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Easy plast' of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied on internal wall and ceiling finished smooth with neeru over brick walls or concrete surfaces at all floors and levels, including curing and removing existing damaged/ worn out plastering and disposing off debris out side colony etc. complete all as per specifications and as directed by EIC.

a) 12 mm thick

b) 15 mm thick.

Providing and applying one coat of base primer (Apex Ultima protect basecoat of M/s. Asian paints or Aquatech of M/s. ICI Dulux or equivalent) and two top coats of acrylic water proof exterior coating of Apex Ultima Protek of M/s. Asian Paints / Weathershield flexx rainproof system of M/s. ICI Dulux or other approved equivalent make and shade over the sand face / form finished surfaces / rough cast plaster at all locations as required, thoroughly mixed and applied at an interval of 6-8 hours for each successive coats and ensure consumption of 0.47 ltr/Sqm for 3 coats,(base coat @.29 Ltr/sqm & two top coats @0.18 Ltr/sqm ) for sand face surfaces including preparation of surface, cleaning and filling the cracks and crevices with Latex caulking crack filler etc. Complete generally as per the manufacturer's specification and as directed by the Engineer-In Chrage.

a) Over sand faced plastered surfaces / RCC Jalli / fins

b) Over Rough Cast surfaces

Providing and applying cement based wall care putty in one coat of Birla wall care putty of M/s.Birla/Stucco putty of M/s. Jotun/Champion putty of M/s. Saint Gobain Gyproc India or otherapproved euivalent make over entire surface including preparingold painted surfaces by thoroughly scrapping oil bound distemper/acrylic emulsion / white wash etc, filling up the cracks, crevices,depression, holes etc, including sand papering and making surfaceseven and smooth dusting /cleaning , scaffolding , covering thefurniture etc with tarpaulins or eqivalent covering materials,cleaning of all surfaces etc.& disposing of debris outside colonyetc.complete as per specifications and as directed by the EIC.

Repainting of old painted surfaces with two coats of synthetic oilbound distemper (on already prepared surface/ old similar paintedsurface) of Tractor brand of M/s. Asian/Bison Acrylic Distemperof M/s. Berger/Beauty O B D of M/s. Nerolac/Maxilite AcrylicDistemper of M/s. ICI or other approved quivalent make of approved shade/ colour, with/without one coat of approved cement primer, including covering the furniture etc with tarpaulins or eqivalent covering materials before applying, scaffolding, removalof splashing & droppings from floors, doors & windows, cleaning the surfaces etc. complete all as per specifications and as directed by the Engineer-in-Charge.

a) Two coats of synthetic oil bound distemper over one coat of approved cement primer

Painting old steel/wood work with two coats of synthetic enamel paint of approved shade and make over one coat of primer including preparing surfaces, filling with putty wherever required and cleaning etc. complete all as per specifications and as directed by the EIC.

a) On wooden surfaces with two finishing coat

b) On steel surfaces with two finishing coats over a coat of zinc chromate steel primer.

Plain cement concrete 1:2:4 using graded stone aggregate of 20mm max. size at all floors & levels and locations including mixing, laying, consolidation, finishing, curing, etc. complete all as per specifications and as directed by the Engineer-in-Charge.

Providing, fabricating,welding and fixing in position structural steel work at all floors and levels for different type of works as required, including scaffolding including dismantling brickwork wherever required and making good the same after fixing the ISMC and painting with two coats of sythetic enamel paint of approved make and shade over a coat of approved metal primer etc. complete all as per specification and as directed by the Engineer-In-Charge

Providing and fixing in position white marble stone drip mould of size 1200mm to 1500mm length, 150mm wide & 18mm thick, 100mm wide ,embedded into masonry/ concrete and 50 mm exposed out side including making chases in wall, exposed edge machine cut & machine polished grouting with cement mortar 1:1 mixed with approved water proofing compound, sealing the joints for water tightness finished smooth to proper level, hand polishing after laying, curing etc. complete all as per specifications and as directed by the Engineer-in-Charge.

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, 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, if any, all complete as per the manufacturers specifications and as directed by Engineer in Charge, using any of the following waterproofing systems. 1) Smartcare Damp Proof of M/s Asian paints 2) Dr. Fixit Newcoat of M/s Pidilite 3) 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 : 0.5 N/mm 2 to 1.0 N/mm2 Elongation : 100% minimum UV Resistant : continuous 500 hrs (min) as per ASTM D4587 Tested as per manufacture specifications.

(i) Over terrace slab, top of water tank and parapet etc. at all levels

Providing and fixing CI Frame and cover as per latest IS for chamber of various sizes including cost of necessary 1:2:4 cement mortar for fixing, painting the frame and cover with two coat of approved make and shade over a coat of steel primer etc complete as directed by the Engineer-In-charge

Providing, laying, jointing, fixing, testing & painting heavy quality (Class ‘C’) M. S. galvanized pieces as per I.S. 1239-1968 including fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends and all other fittings required for the completion except screwed flanges conforming to I.S. 1239-1698 & also as per the code of all jointing materials like hemp yarn, white or red lead, clamps, wooden gutties, screws, cement, sand etc. including removing the old damaged G.I. pipes, scaffolding, testing the pipes etc. complete all as per specification and as directed by the Engineer-in-charge.

a) 50mm n.b.

b) 65mm n.b.

Providing and fixing in position heavy pattern screw down gun metal Gate Valve confirming to IS : 778 with hand wheels at top including testing for 10 Kg. / Sq.Cm. pressure with clean and potable water with a minimum testing duration of two house etc. including removing gun metal Gate valve etc. as per specifications and as directed by the Engineer-in-charge.

a) 50 mm dia.

b) 80 mm dia.

Providing and fixing ‘Lifeline’ Cpvc pipe of M/s. SUPREME or PRINCE pipe SDR-11 quality ASTM D-2846 in service shafts in place of Various dia G.I. Water supply pipeline, including providing and fixing plain / brass threaded fittings couplers, Elbows, unions, reducers, tees etc. of M/s. Supreme / Prince of matching grade, making opening in the masonry wall, restoring the same with C.M 1:3 after work is over, testing the composite cPVC and G.I. pipeline for relevant working pressure/leakages as per standard testing procedure as laid down by I.s. codes / & manufacturer including cost of threading in existing G.I. pipeline, connecting G.I. pipe with cPVC line, solvent cement, including painting with two coats of heavily pigmented, exterior water based latex paint, restoring wall surfaces to original condition etc complete, including providing and fixing Supreme / prince make metal clamp @ 1.5 c/c, including dismantling and removing existing GI pipe line of various dia. (15mm nb to 50mm nb) and depositing at directed place etc. all complete as per specifications

a) 20mm dia.

b) 25mm dia

c) 32mm dia.

Providing & fixing C.I. Heavy quality pipes & specials all fittings of required size & shapes, cuttings the pipes to required lengths & laying or fixing in position with M.S. clamps & nails 50 mm away from the wall faces jointing the pipes and specials by spun yarn and filling molten pig lead / with cement mortar joint 1:1 with hemp yarn etc. as per I.S. standard practice making holes in walls or floor and making good the same to the original condition, painting 3 coats of anti-corrosive black bitumestic paint, testing the pipe line by smoke test, / rectifying the leakages, if any, including removing the C.I. pipes with fittings necessary scaffolding etc. complete all as per specifications and as directed by the Engineer-in-charge. (a) With cement joint 1:1 with hemp yarn:

a) for 75 mm dia.

b) for 100 mm dia.

Proving and fixing in position heavy pattern lifeline series SDR 11 Manufactured by M/s Supreme or Prince Industries Ball Valve conforming to relevant IS codes with hand know at top including testing for 10 Kg/Sq cm pressure with clean and potable water with a minimum testing duration of two hours etc including dismantling and removing existing Gun Metal Valves of various dia. (15mm to 50mm) etc complete all as per specifications and as directed by the Engineer in Charge.

b) 20mm Dia

d) 32mm Dia

Providing and fixing following thickness of heavy quality clear acrylic sheet of other approved manufacture and fixing with wooden / aluminium frame work (door/ window) including fixing wooden / aluminium channel beading and providing and fixing 2 way EDPM gasketing to ensure water and air tightness and neoprene cushions/ gasket accommadated in grooves, necessary bronze anodised screws etc, all complete generally as per drawings specifications and as directed by Engineer in Charge

a) 5 mm thick clear acrylic sheet

Providing and fixing in position precast Glass reinforced concrete Screens / jalli of minimum 30mm thick as per approved panel size, shape & design and drawing, cast at factory with mix design as Cement:50 kg, Quartz sand: 50kg, Super plasticizer: 0.1 kg, Polymer: 0.5kg, AR Glass fibre not less than 5% including providing necessary holes and keys in Jali for accommdating suitable approved S S anchor bolts etc. finishing the surface smooth with cement punning curing the jali in curing tank for a minimum period of 14 days and hoisting the jali with mechanical hoist properly and carefully without causing any damage, with required line & level etc. complete all as directed by the EIC.

Description of Work / Item(s)

Amount

PART B

Rebate for Taking away dismantled item by the contractor

a) Scrap wood

b) GI/CI pipe of various dia., grills, railing etc.

c) G M Valve up to 50mm

RAMDEV ENTERPRISES

RAMDEV ENTERPRISES

RAMDEV ENTERPRISES