IMPROVENT AND AUGMENTATION OF WATER SUPPLY AND ELECTRIC SUPPLY DISTRIBUTION SYSTEM FOR MD ACCN FOR CAO POOL AND OTHER AREAS UNDER GE (P) EAST DELHI CANTT-10

Amount

Cleaning of concrete surface of by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm in walls and slabs to introduce steel bars (upto and including 12mm dia. ) including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.

Providing and fixing "L" shaped mild steel shear key of 10mm dia bar at a spacing of 500 mm c/c in vertical direction by drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm in walls and slabs to for fixing the steel bars in position using epoxy resin anchor grout of approved make including the cost of reinforcement, all complete as per direction of Engineer-In-Charge.

M & L for shotcreting R.C.C. walls 75 mm thick in 3 layers with approved design mix concrete having the specified minimum characteristic compressive strength of M-30 grade[with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design criteria] including the cost of centering and shuttering at edges and corner if required, wet curing etc. complete as directed by Engineer- in-Charge. Surface shall be statisfactory evaluated by sounding /tapping with a blunt metal instrument .

Providing and fixing "L" shaped mild steel shear key of 6mm dia bar at a spacing of 500 mm c/c by drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 60 mm in slabs for fixing the wire mesh in position using epoxy resin anchor grout of approved make including the cost of reinforcement, all complete as per direction of Engineer-In-Charge.

M & L for Shotcreting (Guniting) R.C.C. slab 25 mm thick with approved mix mortar [with ordinary portland cement, coarse sand in proportion (1:3)] including the cost of centering and shuttering at edges and corner if required, wet curing etc. complete as directed by Engineer- in-Charge. Surface shall be statisfactory evaluated by sounding /tapping with a blunt metal instrument .

M&L for CRS bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia complete all as specified and directed.

Demolition of R.C.C. work manually/ by mechanical means and disposal of unserviceable material within 50 metres lead as per direction of Engineer - incharge.

Centering and shuttering including strutting, propping etc. and removal of form work for slab complete all as specified and as directed.

Providing and laying cement concrete M-30 grade in slab excluding the cost of centering, shuttering and finishing, wet curing etc complete.

Cleaning of concrete surface of by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge.

Providing and fixing reinforcement with hard drawn steel wire fabric of 3mm dia wire , 100 mm pitching fixed to existing RCC slab (bottom face) complete all as specified and as directed.

Shotcreting (Guniting) R.C.C. slab 25 mm thick with approved mix mortar [with ordinary portland cement, coarse sand in proportion (1:3)] including the cost of centering and shuttering at edges and corner if required, wet curing etc. complete as directed by Engineer- in-Charge. Surface shall be statisfactory evaluated by sounding /tapping with a blunt metal instrument .

Treatment of horizontal expansion joint in following steps: Step 1st :- Chipping of existing concrete layer or plaster over expansion Joints Breaking existing upstands made in concrete over expansion joint, removing lowering down and carting away the debris etc. complete using Fosroc Nitomortar 30 (Epoxy Repare mortar) Step 2nd :- Edge profiling Providing and making nosing and edges on both sides of the expansion joints using Fosroc Nitomortar 30 epoxy repair mortar or Fosroc polymer modified mortar Renderoc HB . make the surface totally dry with zero moisture content . Putting masking tapes on both sides of expansion joints. Step 3rd :- Expansion Joint filling using Backer Rod Providing and filling the expansion joints using expanded polyethylene Backer Rod of upto 30 mm size etc. between the adjacent concrete. Step 4th :- Filling the periphery of Horizontal Expansion Joint using Fosroc Thioflex 600 PG polysulphide sealant. Providing and fixing masking tape on both side of expansion joint edges and pouring the Fosroc Thioflex 600 pour grade polysulphide sealent maintaining the depth of 12-15 mm and width 25-30 mm and removing the masking tape before it get cured.

Providing & Fixing of 4 Inch NRV Packer @ 300 mm c/c

Injection of Low viscous Fosroc Nitofill WS60 /Nitofill UR63 single or double component grout of Approved Make FOSROC in all active leakages and construction joints.

Cutting of NRV packers and Leveling of the holes up to one running meter by High strength Fosroc Renderoc HB polymer modified mortar .

Providing & Fixing of NRV Packer 4 Inch. @ 300 mm c/c

Supplying Low Viscous Epoxy of FOSROC

Coating and packing the surface with high strength epoxy repair mortar / polymer modified mortar.

Waterproofing treatment for joints as per following method : Step 1st : Chipping of existing concrete layer or plaster over expansion Joints Breaking existing upstands made in concrete over expansion joint, removing lowering down and carting away the debris etc. complete (Upto 225 mm width) Step 2nd : Edge profiling Providing and making nosing and edges on both sides of the expansion joints using polymer modified mortar Fosroc Renderoc HB. make the surface totally dry with zero moisture content..putting masking tapes on both sides of expansion joints. Step 3rd : Expansion Joint filling using Backer Rod Providing and filling the expansion joints using expanded polyethylene Backer Rod of upto 30 mm size etc. between the adjacent concrete. Step 4th :- Supply & Application of -Fosroc Expoband one membrane of 200mm width and 2 mm thick above the expansion joint. Supply & Application of FOSROC Expoband Membrane of 200mm width and 2 mm thick above expansion joint.Grinding and levelling 100mm on both side of joints to remove lose particles and proper level for Fosroc Expoband membrane bonding with concrete surface.Fix masking tape at the centre of the membrane of the face that is facing upwards. Transfer the entire contents of Part B of Nitobond PC40 adhesive Into the Part A container and mix thoroughly using a slow speed drill for 4 minutes until reaching a uniform grey colour mix under no circumstances should a part pack be mixed. Apply the mixed adhesive to the substrate using a spreader comb with a 3 mm serration from the tapes edge to accommodate the width of the Expoband One used.

Carefully remove the masking tape from the centre line of expansion joint and position the prepared Expoband One into the adhesive pressing firmly into place to ensure complete and continuous contact. Roll firmly to displace trapped air and to ensure extrusion of the Nitobond PC 40 adhesive through the edge perforations.Apply a second layer of Nitobond PC 40 adhesive to the full width of the top surface leaving the masking tape area, centre of Expoband One Membrane to the prepared concrete surface, 20 mm extra width of the membrane on either side. Remove the central masking tape from the Expoband One Membrane and feather-edge the Nitobond PC 40 Adhesive. Step 5th : Jointing The Fosroc Expoband One Membrane The surfaces to be jointed must be clean and wiped with Fosroc Solvent Nitoflor Sol prior to jointing using solvent adhesive or optional heat-welded joints, a 100mm overlap should be used. Welding is to be carried out using a proprietary hot air welding tool. The faces of the overlap are heated by moving the welding tool along the joint and roller simultaneously to the heated overlap to ensure that the faces are fused together.

Providing and erecting self supported steel scaffolding double row type using steel pipes for vertical, horizontal, diagonal bracing and ties etc. wherever required so as to make it rigid frame. Working platform shall be provided by using steel challies over MS pipes as per requirement complete

Chipping of unsound/weak concrete material upto depth of 50 mm 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-In-Charge.

Applying alkaline rust converting remover of approved quality (Reebeklens RR), rust klean, rust remover confirming to ASTM-B-117 after cleaning the existing reinforcement with wire / rotary wiry brush, making the surfaces free from loose material, dirt etc. complete (Fosroc Make or Equivalent)

Providing and applying anticorrosive treatment by paint brush (Nitozinc Primer) to the exposed structural reinforcement by two coats of anticorrosive epoxy based zinc rich epoxy(Nitozinc) phenolic material of approved anticorrosive product with time interval of minimum 4 hours between each coats all complete as per direction of Engineer in charge.(Fosroc Make or Equivalent)

(Bonding Coat between the old and new surface). Providing and applying a single coat of two component solvent less epoxy resin based (Nitobond EP or equivalent )bonding coat complying to ASTM C881 Type-2,Grade-2 and class B&C having a open time of its adhesive bond strength using brush or roller before the application of repairing material including the cost labour, material, T&P and equipment etc. all complete as per direction of Engineer In Charge.

Providing & Application of on site Readymix Polymer Modified Mortar Renderoc HSXtra or equivalent from BASF/ SIKA/ MAPEI for damaged & spalled portions for average 30 mm thickness as per the manufacturer specification or as per the instruction of Engineer In-charge.

Providing and applying uni directional, high strength 600 gsm carbon fiber Fosroc NITOWRAP CWS600 (also known as Nitowrap EPCF 600) or equivalent from SIKA/ BASF/MAPEI of 0.5mm dry fabric thickness.The FRP fabric used shall be of zero degree unidirectional fibers having fiber density of 1.8 g/cc and shall have tensile strength > 4900 MPa ; tensile modulous > 230 GPa and ultimate elongation of 2.1%. The substrate shall be primed with Nitowrap 40 epoxy primer & Nitowrap 410 impregnating resin saturant shall be used for saturating the fibers.Saturant used shall have tensile strength of >30 MPa; Elongation > 2% ; Flexural strength > 30 MPa ; Tensile Modulous > 2400 MPa & Flexural Modulous > 1700 MPa when tested as per ASTM D638 Type I and ASTM D 790.Wrapping the CFRP fabric to RCC member at direction perpendicular to axis of the beam using tamping rollers to avoid any air voids etc. and sprinkling sand over it as per direction and satisfaction of Engineer-in-charge, etc, complete

25mm Plaster of mix 1:3 (1cement:3coarse sand) on FRP work (including application of bond coat and curing compound).

Protective Coating (External): Providing and applying Dekguard E 2000 manufactured by Fosroc Chemicals India Pvt Ltd or equivalent product from SIKA/ BASF/MAPEI and applied by Fosroc authorised applicator including removal /cleaning of existing paint / whitewash layers etc from the wall surface by wire brush and grinding etc before the application of anticabonation coating. Total anticarbonation system comprises of a silane siloxane based penetrating primer (Dekguard primer WB) and elastomeric pigemented coating(Dekguard E 2000). Deckguard E2000 is a single component elastomeric, anticarbonation, aliphatic acrylic protective coating. Minimum recommended rate of application is 1.5m2/lit(including wastage) to achieve a total DFT of 200-300 microns on external side of OHT fulfilling functional parameters like: 1. Static crack spanning capability @ 200 microns dft @23°C : 2 mm as per ASTM C 836-762.Solar reflective index (white colour) : 105% as per ASTM E 1980-11 3. Adhesion greater than 1.0 N/mm² as per BS 1881. 4. CO2 diffusion resistance not less than 240mm equivalent of air thickness and 60cm equivalent of 30N concrete(Taywood method, at 309 microns dft) system includes surface prepration and application as per Fosroc methodology.

Demolition of cement concrete in ground floor and paving not exceeding 15 cm thickness (below or above ground level) complete all as specified and as directed.

M & for concrete 1:3:6 type C-1 using 20 mm graded crushed stone as in plinth protection complete all as specified and as directed.

S & F framed works for portions framed & hung as gate including pintel hinges, stops, handmade sliding bolts ornamental and intricate design, complete all as specified and as directed.

M & L for two coats of sythentic enamel paint on steel surfaces includingover and including red oxide primer including preparation of surfaces complete all as specified and as directed.

M & L for Two coat of cement based paint to walls including preparation of old surfaces complete all as specified and as directed.

Shivom Projects Private limited

pooja construction