Repairs and Strengthening of RCC Grill and concreate work at New Council Hall Building, Mumbai.

Amount

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works.

Providing and erecting steel tubular props of required height upto 14' feet, L head or flat head braced at center and supporting a continuous 2" x 3" wooden runner, resting on wedge and block minimum capacity 3 Ton to support the structure provisionally during repair and jacketing etc. and maintaining them in position till all required item are complete. The props are erected in perfect vertical in plumb taking / transferring the load equally / uniformly. The location of every prop should be one over another floor and it should not be eccentric. The tightening of every prop should be uniform to all props to strain the building uniformly, removing the same as and when directed by structural engineer / Site Engineer. The work should be carried out with all the safety measures like helmet, safety belt and adequate labor insurance under the supervision of qualified supervisor and remove the same completion of work etc. complete.

Providing and fixing Jute Kantan (Tarat) screen to the scaffold-ing for external guniting as directed including removing the same after the work is over etc. complete.

Providing and fixing construction three layer monofilament safety net including first layer of machine knotted 5mm braided Rope with 100 mm x 100 mm mesh size, second layer of machine knotted 2.5 mm braided rope with 25 mm x 25mm mesh size, third layer of monofilament stabilizer and net with welding / grinding splatter resistance, border rope of 12 mm maximum including the cord of 12 mm maximum at tower corners at 1.50 meter long at every 1.50 meter distance including require size and as per specification and certification approved including testing criteria for safety net EN1263-1 including drop test (dynamic test) and energy absorption test (En-1263-1:2002) and as per instructions and approved of the Engineer - In - Charge (Horizontal Safety Net)

Providing and fixing 12 mm thick commercial plywood with jungle wood frame work of 50 x 35 mm size at 60 cm on both ways for closing the window portion/openings for protection from falling debris, dust etc. including cutting, fixing with nails and removing after the same after completion of the work. (To be used after approval of Superintending Engineer)

Suppling, Drilling/Cleaning hole and fixing make heavy duty ETA Approved Chemical Anchor of appropriate size and fixing plates subsequently. Anchor comprises of HVU-2 flexible foil capsule that contains styrene free Urethane Methacrylate resin, hardener, quartz, sand/corundum and HAS-U threaded rod of minimum 5.8 steel grade, galvanized to minimum 5 microns. Anchor should be approved for cracked concrete, seismic & diamond drill holes. Manufacture should submit Anchor Design report based on design loads & other parameters as provided by consultants. Chemical anchors should be designed in accordance with EOTA-TR-029 ―guidelines for anchorage of chemical anchors for use in concrete‖ for approval. Application at site should be done as per manufacturer guidelines. Any report submittal with Installation pictures should be done using CFS-DM Software, which shall be charged extra. AnchorHVU2+ HAS U M12x110-90

Dismantling the R.C.C. Work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete.

Providing and fixing in position HCRM / CRS (Corrosion Resistant Steel) bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete.

Removing loose rust from the reinforcement bars by wire brushing, light hammering etc. and applying sulphate and chloride free inorganic single component rust remover Rusticide as approved by Engineer in charge conforming to IS 9077. The rusted surface shall become blackish non rusted colour. After 24 hours of application of rust remover, loose particles shall be removed by brush. Apply one more coat of Rusticide. Apply bonding coat slurry of high performance acrylic polymer - Methyl 2-methylpropenoate copolymer with another enoate as approved by Engineer in charge on entire surface. Mix 1 Kg of acrylic polymer with 0.5 Kg of cement. Finish it with ready to use repair polymer modified mortar based on special cements, aldehyde based polymers with thixotropy modifying agents as approved by Engineer in charge (The Polymer Modified Mortar (PMM) should attain min. compressive strength of 20 N/mm2 in 1 day and 30 N/mm2 in 7 days) by adding 13 - 16% water by weight of polymer modified mortar for treatment to the damaged RCC members. Add 1 Kg of Migrating Corrosion Inhibiting Admixture as approved by Engineer in charge per 25 Kg bag of polymer modified mortar. After mixing polymer modified mortar, it can be trowel applied or sprayed. When applying by hand, polymer modified mortar must be forced tightly into the substrate to ensure complete contact with the substrate. (If scaffolding is required, same shall be provided and will be paid under relevant item) (Upto 15 mm thickness at a time).

Removing loose rust from the reinforcement bars by wire brushing, light hammering etc. and applying sulphate and chloride free inorganic single component rust remover Rusticide as approved by Engineer in charge conforming to IS 9077. The rusted surface shall become blackish non rusted colour. After 24 hours of application of rust remover, loose particles shall be removed by brush. Apply one more coat of Rusticide. Apply bonding coat slurry of high performance acrylic polymer - Methyl 2-methylpropenoate copolymer with another innovate as approved by Engineer in charge on entire surface. Mix 1 Kg of acrylic polymer with 0.5 Kg of cement. Finish it with ready to use repair polymer modified mortar based on special cements, formaldehyde based polymer with thixotropy modifying agents as approved by Engineer in charge (The Polymer Modified Mortar (PMM) should attain min. compressive strength of 20 N/mm2 in 1 day and 30 N/mm2 in 7 days) by adding 13 - 16% water by weight of polymer modified mortar for treatment to the damaged RCC members. Add 1 Kg of Migrating Corrosion Inhibiting Admixture as approved by Engineer in charge per 25 Kg bag of polymer modified mortar. After mixing polymer modified mortar, it can be trowel applied or sprayed. When applying by hand, polymer modified mortar must be forced tightly into the substrate to ensure complete contact with the substrate. (If scaffolding is required, same shall be provided and will be paid under relevant item) (15-30 mm thickness at a time).

Re-casting of bracket with micro-concrete and 10 mm agrregate ( 1:1) with leakproof shuttering all manpower and equipments complete in all respect

Providing sand faced plaster externally in cement mortar using approved screened sand, in all positions including base coat of 15 mm thick in cement mortar 1:4 using waterproofing compound at 1 kg per cement bag curing the same for not less than 2 days and keeping the surface of the base coat rough to receive the sand faced treatment 6 to 8 mm thick in cement mortar 1:4 finishing the surface by taking out grains and curing for fourteen days scaffolding etc.complete.

Providing and fabricating structural steel work in rolled sections like joists, channels, angles, tees etc. as per detailed design and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position making riveted / bolted /welded connections without connecting plates, braces etc. and including one coat of anticorrosive paint and over it two coats of oil painting of approved quality and shade etc. complete.

Providing expansion joints in R.C.C. framed structure (at floor level) with premoulded filler 25 mm thick and 3 mm thick aluminium plate as required, bitumen poured filler and fixing T.W. battens on rear faces etc. complete as directed.

Providing, supplying, fabricating and fixing aluminium composite panel cladding in colour of approved shade made out of 4mm thick aluminium composite panel material consisting of 3 mm thick FR grade mineral core following NBC part 4 fire and life safety (having 2 hours fire resistance in accordance to ASTM E-119-12 and BS 476 part 6 & 7 class O) sandwiched between two aluminium sheets (each 0.5 mm thick of AA 5005/AA 3105 grade) The aluminium composite panel cladding sheet shall be coil coated, with Kynar 500 based PVDF / lumiflon based fluoropolymer resin (having 70:30 ratio of PVDF and Acrylic) Coating of approved colour and shade on external face and polymer (service) coating on other face as specified using stainless steel screws, nuts, bolts, washer, cleats, weather silicon sealant (overall sights of ACP shall not be less than 7 kg/sqmt.) fixed on aluminium frame made out aluminium polo pipe 40 mm x 20 mm x 2 mm thick of standard make. The frame work of verticle member at 600 mm c/c and horizontal 4 members at desired specing to accomodate desired design of panelling, including labour etc complete. as directed by Engineer In Charge.

Providing and fixing decorative roof of 16 mm thick multiwall polycarbonate sheets with special top and bottom anodixed alluminium section of size 60 x 60mm having 6mm thick @weight 1.847 kg/metre at spacing 1.00 meter centre to centre with rubber gasket and silicon sealan to ensure waterlight structure as per design and prorile including taking leakage lest with performance guarantee, nut and bolts scaffolding etc complete

Providing and fixing in position Colour anodized aluminium fixed window fully glazed of any size as per detailed drawing and as directed by Engineer incharge with all necessary alluminium sections including necessary fixtures and fastening such as 5 mm thick clear float glass etc. complete.

P/Fixing of carbon fiber sheet of 430 GSM with adhesive including of hanging scaffolding of all manpower and equipment’s complete in all respect

Providing and fixing carbon fiber anchor including drilling hole in the base concrete fixing the anchor using epoxy 50X55 system spreading the anchor fibers in star pattern including application of saturant etc. complete.

Providing and fixing Glass Reinforced Concrete (G.R.C.) Screens/Jali customized as per design, dimensions as per drawings in approved shade in overall thickness of 80mm, or inner design membrane between 30-35mm and borders 50mm, casted with layering technique power spray methodology have weight approximately between 3.75-4.5kg per Sq.ft. The screens casting shall take place with layering methodology using-Direct power spray machines. The screens shall be casted from 53 grade White Portland cement manufactured by fine graded, sieved Quartz & Silica sand, reinforced with Alkali Resistant Glass Fiber manufactured between 4-5% by having Zirconia content at least 16% Super

Providing and grouting the holes by Poly Ceramic Cementitious i.e Nic Grout G 06 + 53 grade cement material of Dimple Chemicals as per requirement to reduce the porosity of concrete / Masonry structure and to increase the strength of structure using grouting pipes , grouting m/c, mixer etc and all relevant safety with all leads and lifts, material, machinery, labour, etc. Complete as per specification and as directed by Engineer-in-Charge.

Providing and applying Elastomeric, Anti carbonation, Anti corrosive, UV resistant, Solvent based Pure Aliphatic Acrylate System- MONOPOL 456 on the exterior faces of Buildings Protection against ION penetration, carbonation, UV radiations and wethering effect conforming to ASTM D 4541-02 having Electrochemical impedance of 107 Ω and achieving dry film thickness of minimum 200 microns in a primer coat followed by two top coats using brush or spray after complete cleaning & removal of oil, grease or loose particles from the surface etc. complete.

Removing brick bat coba including stacking the spoils as directed with all leads, lifts etc, complete.

Crane (c ) 3 MT (For four month

Removing doors and windows with frames and stacking the materials as directed with all leads, lifts etc. complete.

Removing the existing cement plaster of any thickness without causing dust nuisance and stacking the debris upto a distance of 50 metres or spreading in the compound and cleaning the site etc. complete.

Providing and applying water proofing treatment using acrylic polymer modified cement based water proofing coating with fibre glass mesh mixing at the rate of powder to liquid (2:1) by weight covering 9 to 10 sqm /kg with two coat using approved chemicals for masonry and concrete surface by brush covering 7 years guarantee on Stamp Papers etc. complete.

Providing and laying Cast in situ/Ready Mixcement concrete in M20 of trap/ granite/quartzite/gneiss metal for steps including steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface, only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (Wooden centering will not be allowed.), with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing internal cement plaster 20mm thick in Single coats in cement mortar 1:5 without neeru finish, to concrete, brick surface, in all positions including scaffolding and curing etc. complete.

Providing and laying vitrified mirror / glossy finish tiles decorative type having size 590 mm to 605 mm x 590 mm to 605 mm of 8 to 10 mm thickness and confirming to IS. 15622-2006 (group Bla) of approved make, shade and pattern for flooring in required position laid on a bed of 1:4 cement mortar including neat cement float, filling joints, curing and clearing etc. complete.

Providing and laying telephone black / Amba White / Cadbury brown / Ruby red / Ocean Brown granite stone of 18 to 20 mm thick for door frame/ dado/ window boxing etc. On C.M. 1:6 including filling joints with polymer base filler nosing/moulding the sharp edges wherever necessary, curing, etc.complete.

Providing and applying Two coats of wall care Putty on plastered surface and Ceiling and Walls to prepare surface even and smooth of approved make, etc complete.

Providing and applying washable oil-bound distemper of approved colour and shade to old and new surfaces in two coats including scaffolding, preparing the surfaces. (excluding the primer coat.) etc. complete.

Providing and applying pearl/ luster finish paint of approved colour and shade to the existing plaster surface including scaffolding, preparing the surface, applying the acrylic wall putti etc. complete.

Aluminium Self - Supporting Extension Ladder 43 ft. Made from High Tensile Aluminium Alloy. Light weight,fire proof,rust proof. Sides: Aluminium sides C sections 66mm x 33mm x 2.5 mm. Steps: Aluminium 1" Dia. Corrugated non-slip pipes fitted 12" centre to centre. Locks: Complete with patented safety locks, safety limits. Rope: With 10 mm manila rope for extension of the ladder. Pulley: For smooth moment of rope with safety limits. Rubber: Solid non-skid rubber shoes at top and bottom, angle spreaders, safety limits, Folding platform & ring. Rigid Height 24 Ft and when Extendable 43 Ft.

Providing and fixing of BITUFLEX CLOSE CELL FOAM of size 30 mm x 30 mm in double layer in the expansion joints in R.C.C framed structure (at floor level / at terrace level / interior columns) for overlapping of closed cell foam joints, applying TP- 40 PRIMER on both the sides of concrete surface, filling the 25 mm x 25 mm gap with the POLYDEE-41 highly flexible sealant and covering the joint with Polydee-LM, 150 mm width in 2 coats etc. complete.

Lowering down the debris obtained from breaking and removing the cement plaster / burnt brick masonry of the first floor by any means without causing dust nuisance and damage to structure, stacking the same as and where directed including cleaning the site complete.

Removing any kind of debris including loading in truck and conveying to dumping point approved by MCGM, un loading, spreading etc complete with all leads and lifts

Basic Test of Cement : Carrying out Standard Consistancy Fineness, Specific Gravity, Setting Time (Initial & Final ), Compressive Strength, Soundness Test

FINE AGGREGATES : Carrying out test of Fineness Modulus (Sieve Analysis), Silt & Clay Content

CONCRETE : Carrying out test of Concrete Mix Design (With all Tests on basic materials)

ALUMINIUM SECTION : Carrying out test of Thickness, Mass Per Running meter

STEEL ANTI CORROSIVE TEST : Carrying out test of Resistance to applied Voltage. (1 Hr. Test ) (Set of 2 Bars)

STEEL BAR TESTING : Carrying out test of Upto 16 mm (Set of 3 Bars)

Royalty Charges for Sand are to be paid to the contractor after producing receipt of royalty paid to the Govt. for the material used for this work.

Painterior Protective Systems LLP