SPL REPAIR TO UG SUMP (5 LAKH GALLONS) AT DIPATOLI MIL STN UNDER GE DIPATOLI

Amount

M&L Making V groove of 10mm wide and 30mm deep or upto the extend of joint/crack present at site over joint/ crack line using electricity operated angle grinder with diamond concrete saw blade and cleaning it by air blower as directed by Engineer-ln-Charge. The groove shall be cut on the concrete surface along the joint/crack over RCC structure to be repaired complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer only. Complete all as specified and directed. (For 5,00,000 Gallons Sump only)

M&L for Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 400 mm in staggered manner or along the joint & crack line in Reinforced Concrete (RC) structural element including cleaning of the holes by air blower and inserting 12mm dia NRV (Non Returnable Valve) nozzle compatible with injection of grouting mix and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive SikaDur 31 or equivalent to ensure complete sealing and allow curing the system for minimum of 8 Hrs before Grouting including nozzle projections, excess putty, if any, over concrete element by grinding, leveling and finishing the external surface, after completion of the work, etc. complete all as specified and directed. (For 5,00,000 Gallons Sump only)

M&L for Drilling Holes of 12mm dia up to 100 mm deep holes and fixing nozzles in the honey combed potion of the surface area. (For 5,00,000 Gallons Sump only)

M&LSealing of exposed 'V' groove of 10mm wide and 30mm deep with Sikagard 694 F(l) or Quick Fix or equivalnt solvent?free, moisture tolerant, thixotropic, two part structural adhesive and repair mortar cum surface levelling mortar.Note: Work to be executed by the authorised applicator of manufacturers only.complete all as specified and directed. (For 5,00,000 Gallons Sump only)

M&L for injection grouting of construction joints with non shrink cement slurry admixed with epoxy grouting Cebex 100 of M/S Fosroc Chemical /SikaGrout -214 IN @ 300 mm C/C including of opening of cracks to a groove of size 12mm X 12 mm, Nozzle at 300 mm C/C including of opening of cracks to be grooved of size 10mm X 10mm fixing of nozzles with fast setting plugging compound Renderoc plug, cutting the extra length of nozzle after grouting all in complete as per manufacturers instructions including necessary scaffolding as required and as per the directions of Engineers incharge complete all as specified and directed. Seal the nozzle with Sikagard 694 F(l) or equivalent thixotropic epoxy putty after the refusal of grout material from the nozzle. Note: leakage through other nozzle or cracks are required to be monitored while grouting and such points to be sealed as and when required without any extra cost.Note: Work to be executed by the authorised applicator of manufacturers only.complete all as specified and directed. (For 5,00,000 Gallons Sump only)

Providing & Applying Two coats of SikaTopseal 107 or Aqua Arm Top Guard inside of the wall & floor of the tank, a two components ready to use polymer modified cementatious coating . First Coat should be applied horizontzlly and second coat should be applied verticallyThe thickness of coating shall not be less than I .5mm. complete all as specified and directed.Note: Work to be executed by the authorised applicator of manufacturers only.complete all as specified and directed. (For 5,00,000 Gallons Sump only)

M&L Applying two coats Sikagard 67 or AquArm Tank Coat, a water based epoxy coating certified for portable water on all over the concrete surface from inside.Apply the first coat by brush allow it to dry for 6-8 hrs and then apply 2nd coat and allow it to cure complete 24 hrs The coating shall be applied using brush application. The Thickness after two coating should not be less than 500 microns complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturers only.complete all as specified and directed. (For 5,00,000 Gallons Sump only)

M&L Examining concrete by tapping with light hammer and marking of the loose concrete areas of structural elements in straight line geometrical forms, grooving the edges same with grinder upto 5 -10 mm depth without damaging existing rebars, carefully removing unsound weak/ loose concrete/ cover & concrete around the rebars upto 10 mm depth by low impact high frequency hammer/ chipper without damaging the sound concrete, daily cleaning and stacking of debris at prescribed location in polypropylene/ paper bags, disposing off the debris so generated on weekly basis outside the premises, etc, complete all as specified and directed necessary scaff -folding complete all as specified and directed 3.00 Sqm (For 5,00,000 Gallons Sump only)

M&L for cleaning existing reinforcement with wire brush/rotary wire brush to make surface free from rust scales, loose material, dirt etc complete and applying two coats of alkaline rust converting primer Sika RustOff 100 or ReArm Rust Remover with brush on the existing rebar for complete wetting of rusted metal surface and allowed to react it for 16-24 hours. After 24 hours, a white layer will appear which will protect further corrosion of metal / steel for about 5-7 days including surface preparation. Before applying protective coating, the surface should be wire brushed and thoroughly cleaned for dust with dry cloth, complete all as specified and as directed by Engr-in-charge Note: Work to be executed by the authorised applicator of manufacturer only. (For 5,00,000 Gallons Sump only)

M&L for Drilling & Re baring of 12 mmdia x 120mmdeep, thoroughly coated with Zinc based reinforcement epoxy AquaArm CoatZP complete all as specified and as required (For 5,00,000 Gallons Sump only)

M&L Providing and Application Aqua Arm Coat-ZP as passivator/ Anti corrosion coating to the steel reinforcement shall be applied The material shall be two component cement based polymer modified two component coating for corrosion protection. The material shall be prepacked and ready to use. It shall be fully compatible with the reinstatement methods adopted complete all as specified and as directed by Engr-in?charge.This shall include surface preparation and errection of steel porps as required for the application. complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturer only. (For 5,00,000 Gallons Sump only)

M&L of two component solvent free epoxy bonding agent Sika Sikadur 32LP/ ReArm Superbond or equivalent for bonding old to new concrete . The ready to use epoxy bonding agent shall be applied over old concrete using brush after cleaning of surface of all dust or latiance. The material is supplied as a two part material in pre weighed quantities for ready onsite mixing and use.2.The new concrete shall be placed within the open time as specified by the manufacturer to ensure maximum bonding and application shall be as per the manufacturer instruction , complete all as specified and as directed by Engr-in-charge. Note: Work to be executed by the authorized applicator of manufacturer (For 5,00,000 Gallons Sump only)

Rebuilding the section of damaged RCC elements to its original size in thickness of 25mm by hand or spray application by Providing and applying Sika MonoTop@-122F single component, fibre reinforced, sulphate resistant, low shrinkage, high performance cementitious structural repair mortar or by micro concreting in the ratio of 1:2:4 added with water proofing admixture WP-10 or Sika Latex SBR as specified or directed by engineer incharge. Note: Work to be executed by the authorised applicator of manufacturer (For 5,00,000 Gallons Sump only)

Scaffolding for the total job (For 5,00,000 Gallons Sump only)

M & L for Brushing neat cement slurry with 3.0kg of cement per sq. metre, Complete all as specified and directed.

Material and Labour for 10mm thick cement paster in CM 1:4 mixed with WPC @ 2 % by weight of cement finised even and smooth without using extra cement on roof surface and wall (WPC will be measured and paid seperately as supply only rate), Complete all as specified and directed.

Supply only liquid water proofing compound, Complete all as specified and directed.

M&L Preparation of OLD steel surface of any descripion over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed..

Nand Lal and Sons