Arresting various leakages and miscellaneous works under TTM III and KMU at Anushaktinagar, Mumbai

Amount

GENERAL ABSTRACT

PART - I - CIVIL WORKS

Description of Work / Item(s)

Amount

PART - I - CIVIL WORKS

Providing & Applying seamless Acrylic based chemical waterproofing system with minimum 1 mm DFT (dry film thickness) excluding membrane thinkness, material consumption should not be less than 1.6 Liter/Sqm, including surface preparation as per general notes, primer coat, reinforcing membrane and multiple layers of chemical coat, removing the existing damaged w/p treatment, if any, disposing of debris within colony, complete all 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 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: Chemical properties: Sp. Gravity : 1 +/- 0.2 Tensile strength @ 14 days : 0.5 N/mm2 to 1.0 N/mm2 Elongation : 100% minimum UV Resistant : Continuous 500 hrs (min) as per ASTM D 4587

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

Providing & Applying single repairing coat of seamless acrylic based chemical waterproofing chemical, material consumption should not be less than 0.6 liter /Sqm, including cleaning the surface throughly by water jet pump, complete all 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 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: Chemical properties: Sp. Gravity : 1 +/- 0.2 Tensile strength @ 14 days : 0.5 N/mm2 to 1.0 N/mm2 Elongation : 100% minimum UV Resistant : Continuous 500 hrs (min) as per ASTM D 4587

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

Providing, casting and fixing Cement concrete blocks of 300mm X 300mm X 400mm (or other required size) of 1: 1 1/2 : 3 Grade for providing supports to the water supply lines including bedding mortar, form work etc. complete all as per specification and as directed by Engineer-in-charge.

Removing, Re-fixing, laying, jointing, testing & painting existing M.S. galvanized pipes including fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends and all other fittings required for the completion including laying under floors, chasing, in walls, roof slabs and making good the same to the original conditions, including the cost of all jointing mat like hemp yarn, white or red lead, clamps, wooden gutties, screws, cement, sand etc., including proving pvc sleeves at wall/concrete portion of pipe complete all as per specification and as directed by the Engineer-in-Charge.

Providing, laying at all location plain cement concrete of mix 1 : 1.5 : 3 using graded stone aggregate of 20 mm max size including mixing, compaction, finishing, curing, form work etc. at all levels including necessary scaffolding complete all as per specifications and as directed by the EIC.

Pressure grouting along peripheral walls of lift pits using Bentonite and lime (1:1 mix) which comprises of following: i) Boring of holes of suitable dia in soil, driving and installing minimum 50mm dia pvc perforated pipes at an interval of 900 mm c/c upto 2.0 meter depth with suitable mechanical means without causing any damages to surrounding structure. ii) Securing PVC pipe with 1:2 C.M. iii) Grouting with bentonite & lime slurry (1:1 proportion) through the pvc pipes continuously till slurry stops to fill inside, cutting the pipe at surrounding floor level and sealing pipe hole at top with cement mortar 1:1 etc all complete as per specifications and as directed by the EIC.

a) Boring and driving 50mm dia. Perforated PVC pipe of approved make.

b) Grouting with bentonite and lime (1:1) slurry.

Inserting of GI Injection packers by Drill directly into crack section of concrete in 45 degree angle by keeping a distance of 1/5 of concrete thickness. Make sure it penetrates the crack section. ( Drill it in zigzags), then clean the inside of drilled holes with air/ water. Make sure that rubber sleeve of packer and cutting line of tightening nut should be put into the inside of concrete surface while installing, tighten the packer completely by using the T-box., complete all as per manufaturer specifications & as directed by EIC

Pressure grouting through RCC walls, by drilling holes in RCC to required depth without causing any damages to reinforcement, inserting 1/2" dia PVC pipe in hole securing the sides of the hole with cement mortar 1:2, pressure grouting with a mix of 50kg opc -43 & 225 gm Dr. Fixit pidicrete AM or equivalent and continuing the pressure grouting till the flow of cement slurry stopes, removing the PC pipe, sealing the hole with Polymer modified mortar etc., ensure curing by applying curing compound etc. complete all as per manufacturer' specifications and directed by EIC.

Grouting PolyUrethane Foam Grout- Grouting PU Foam- Grouting the PU Foam by High pressure grouting pump. PUF 1K FLEX 101 of COLOSSUS MAKE or equivalent approved by engineer etc. complete all as per specification, drawing or as specified by the Engineer- in- Charge. (Injection Operation: Inject the water stopping material by using the high pressure device or grease gun. Maintain the initial injection pressure as around 40 Kg/ cm and increase the pressure by each 10 Kg/ cm gradually until the water stopping material flows out from crack section. Water will come out from the crack section first and then water stopping foaming agent and then water stopping liquid at last. If the water stopping material that is not formed comes from the crack section, then move to next packer for injection. Removing Operation: Remove and break the packer by using vise pliers or hammer as a tool. If there is still a wet section, then inject the water stopping material again.)

Krystol water-stop grout for Crysstralline waterproofing by high pressure grouting pump, complete all as per manufacturer recommendations & as directed by the Engineer- in- Charge. (Injection Operation: Inject the water stopping material by using the high pressure device or grease gun. Maintain the initial injection pressure as around 40 Kg/ cm and increase the pressure by each 10 Kg/ cm gradually until the water stopping material flows out from crack section. Water will come out from the crack section first and then water stopping foaming agent and then water stopping liquid at last. If the water stopping material that is not formed comes from the crack section, then move to next packer for injection. Packer Removing Operation: Remove and break the packer by using vise pliers or hammer as a tool. If there is still a wet section, then inject the water stopping material again.)

Waterproofing PolyUrethane Coating: Removal of flakes or other foreign particles by dry air, wire brush and clean the surface make it smooth before application. Providing & Applying 3 coats of coal tar free highly elastic PolyUrethane coating - "PU Guard" of Constrochem India Pvt. Ltd make. An interval of 6 hrs is to be maintained in between successive coats etc. complete all as per specification, drawing or as specified by the Engineer- in- Charge. Note:- 1) Item rate including preparation of smooth surface: Removing all nail, binding wire, Concrete edges etc. cutting without any damage to original RCC surface, filling the hole & crack with polymer putty complete all as per specification, drawing or as specified by the Engineer- in- Charge.

Providing and erecting double bamboo scaffolding using minimum 50 to 75mm dia best quality bamboos/pipes 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 EIC.

a) Double bamboo

Repairs to damaged RCC structural members at all locations/ floors using polymer modified cementatious mortar, for strengthening the existing RCC structural members using SBR polymer or equivalent approved & 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 iii) Applying a coat of polymer and cement slurry in the ratio 1:1.5 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 + river sand 37.50 Kg. + 87.50 Kg. = 125 Kg.: SBR polymer liquid 10 ltrs.) with including curing, covering the flooring / with tarpaulins or equivalent covering material to avoid deposition of SBR 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

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/ 'Build well' Ready mix plaster of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd/ Readymade Polymerised Drymix plaster -Silicoplast of M/s. Precise Conchem Pvt.Ltd. or other approved make, 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 levels, 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 by mechanically means or manually and disposing off debris outside colony etc. complete all as per specifications & as directed by the EIC.

Providing and applying shrinkage crack filler of Dr.Fixit Crack X Paste or other equaivalant material including opening the loose part of the existing crack , making the same in V - shape in required depth & width, cleaning the groove by removing dust, oil, grass, loose particals etc., press the crack filler in to the crack one time only with a spatula or putty knite and level the surface etc. completed all as per manufacturer's specifications and as per direction of the engineer-in-charge.

Providing cement based waterproofing treatment to the inside surface of water tank by giving injections to concrete bottom slab and walls as required with cement and approved water proofing compound solution to fill up inherent holes, voids, honey-combs etc. complete and treating the floor and walls with waterproofing mortar as per specifications of specialized waterproofing agencies,finishing smooth with trowel in cement colour and testing of water tank by filling up with water for a period of atlest 7 days and as per specifications etc. The thickness of treatment on the floor will be 50 mm thick in C C 1:2:4 by using course aggreegate 10 mm and down and on the walls about 20 mm thick in CM 1:3 including removing existing damaged cracked loosened plaster at all floor levels including cleaning the surface of all loose mortar/ concrete stacking debris at directed place and including scaffoldingetc. complete all as directed by the E/I/C.

Applying two coats of Dr. Fixit Fastflex high performance polymer modified cementatious water proof coating to interior walls and ceiling of over head water tank which consist of dewatering dead storage water from tank , providing scaffolding if required , through cleaning of surface with wire brush and by high pressure water jet / spray cleaning at the pressure of 100 Kg. sq.cm. to remove all loose laitance, dirt, oil and loose material, mixing two components ( i.e. powder and polymer) of Dr. Fixit Fastflex thoroughly without diluting with , applying two coats of Dr. Fixit Fastflex to walls, flooring, leaving one day gap between first and second coat, dry curing the coated surface for 7 days thoroughly cleaning of coated surface with high pressure water jet / spay cleaning at the pressure of 100kg./Sq.cm. after 7 days of dry curing, dewatering the reservoir after cleaning, providing proper lighting arrangement for illuminating the interiors of reservoir to enable proper workmanship and supervision, providing proper electrically operated exhaust & ventilating system for proper ventilation of interior of reservoir to avoid any toxicity to workers, taking proper safety precautions etc. complete all as per manufacturers specifications and as directed by the engineer-in-charge.

M/S. SHAHISTA DECOR

Venus Enterprises

AMBIKA ENTERPRISE

NANU CONSTRUCTION

M/S. SHAHISTA DECOR

Venus Enterprises

AMBIKA ENTERPRISE

NANU CONSTRUCTION