PROVN OF RAIN WATER HARVESTING (RWH) AT RMS, 316 MED REGT AT AJMER AND SPECIAL REPAIR TO OVERHEAD WATER TANK AND CONNECTED WKS AT RASHTRIYA MILITARY SCHOOL AT AJMER MIL STN

Earth work in excavation by mechanical means (Hydraulic excavator) means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan for any type of soil and rock complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in hard/dense soil, complete all as specified and directed.

Removing excavated soil exc. 250m but n exc 500m depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M & L for Plain cement concrete (1:4:8) type D2 (using 40 mm graded stone aggregate) as in foundations / mass concrete complete all as specified and directed.

M & L for walling of random rubble uncoursed stone masonry, well bonded, bedded and solidly hearted built in cement mortar 1:6 complete all as specified and directed.

M & L for rendering 15 mm thick in CM (1:4) on fair faces of brick work or conrete surfaces/stone masonary and finishing the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for coarse sand (Size 1.20mm) filling in floor or paving laid in layers n. exc. 15cm thick spread leveiled and rammed complete all as specified and directed.

M & L for gravels (Size 5-10mm) filling in floor or paving laid in layers n. exc. 15cm thick spread leveiled and rammed complete all as specified and directed.

M & L for gravels for granolithic floors graded from 12.5mm to 3.60 mm filling in floor or paving laid in layers n. exc. 15cm thick spread levelled and rammed complete all as specified and directed.

S & F of PVC pipes (Class 3 (6.0 Kg/cm2), 150 mm bore, single sockets, in any length with rubber ring joints with solvent for permanent in joint laid in floors or wall with Clips for wall complete all as specified and directed.

M & L for cement concrete bed to PVC pipes including packing under and haunching against the sides of pipe after they are laid & tested for 150 mm PVC bore of pipe with cement concrete 1:3:6 type C-2 using 40mm graded stone aggregate complete all as specified and directed.

S & F of PVC pipes (Class 3 (6.0 Kg/cm2), Slotted pipe 150 mm bore, single sockets, in any length with rubber ring joints with solvent for permanent in joint laid in floons or wall complete all as specified and directed.

S & F of Drilling bore hole of 300 mm dia with drill bore machine of suitable capacity penetrating any tye of soil/ rock and inserting suitable length along the alinghment & connecting with PVC Slotted pipe 150mm dia upto at end point & laying (incl required item casing mild steel dia of 300 MM and thickness 6mm of length from GL to below GL 5mtr and caping for soil not fall in boring area after bore) complete all as specified and directed. Note :- PVC Pipe will be measured and paid seperately.

S & F of MS Jali for Filtration of water and allow to move along the bore complete all as specified and directed.

S & F of one side valve150 mm dia for PVC pipe fixed at the end of Bore complete all as specified and directed.

M & L for PCC 1:4:8 Type D2 40mm graded aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

M & L for PCC 1:3:6 Type C2 40mm graded aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

M & L for MS work for fencing post/gates and struts made from angle iron and flat iron in any section including cutting tops to shape, drilling holes and notching for fixing of wires etc confirming to Fe-290 or Fee-330, complete all as specified and directed.

Supply only chain link MS zink coating 60 gms as per IS 4826 fencing of any mesh size and 3mm dia or wire complete all as specified. Note : This items shall be measured and paid as per actual weight or standard weight as per SSR which ever is less complete all as specified and directed.

Fixing only chain link fencing including line wire, any mesh size and any type of standards rails straining bolt etc including provision of binding wire complete all as specified and directed.

S & F of 4mm dia galvanised medium coated steel wire cut to length as required for fixing chain the fencing etc complete all as specified and directed.

M & L for 5 to 10 mm dia and length exc 5cm and n.exc 10cm mild steel screw bolts (machine made) with hexagonal or square head at one end and screwed the other, or screwed both ends each screwed end to be fitted with washers etc complete all as specified and directed.

M & L for preparation of new steel & iron surface of width or girth exc 10cm & applying two coats of synthetic enamel paint of 1st quality over a coat of red oxide zinc chrome complete all as specified and directed.

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. 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.

M&L for Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 300 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 nozzle compatible with injector and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive SikaDur31 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. Note: Work to be executed by the authorized applicator of manufacturers only.

M&L Sealing of exposed 'V' groove of 10mm wide and 30mm deep with Sikagard 694 F(l) or Quick Fix or equivalent solvent-free, moisture tolerant, thixotropic, two part structural adhesive and repair mortar cum surface levelling mortar complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturers 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 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 complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer only

Providing & Applying Two coats of AquaArm 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 vertically. The thickness of coating shall not be less than 1.5mm. complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer only.

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 authorized applicator of manufacturer 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.

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 Rust Off 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. Note: Work to be executed by the authorised applicator of manufacturer only

M&L for Drilling & Re baring of 10 mm dia x 120mmdeep, thoroughly coated with Zinc based reinforcement epoxy AquaArm CoatZP complete all as specified and directed.

M&L Providing and Application Aqua Arm Coat-Zp/ Friazinc R 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 Engrin-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

M&L of two component solvent free epoxy bonding agent 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 preweighed quantities for ready onsite mixing and use. The material shall exhibits the following properties Compressive strength 50 N/mm2 at 7D Flexural strenght 35N/mms at 7 D , Shear strength ION/mm2 at 7D and Tensile strength 20 N/mm2 and Bond Strength of ION/mm2.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 directed. Note: Work to be executed by the authorized applicator of manufacturer

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. Surface finish of the repaired surface by mortar prepared with Water proofing admixture WP-10 or Sika Latex SBR complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturer

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.

M & L for fixing GI nozzles in honey comb area and along crack lines at required spacing after drilling using mechanical tools and plugging it using two component, high strength, non-sag, epoxy compound with ASTM C881 Type I, Grade 3, Class B & C formulated to achieve adhesive bond strength with concrete substrate an average of 1 MPa at 7 days or concrete failure when tested to ASTM D4541; Compressive strength in excess of 40 MPa at 1 day & 60 MPa at 7 days when tested as per BS: 6310 Pt 2, Tensile Strength of 10 MPa at 7 days when tested as per BS: 6319 Pt 7 such as Sikadur ADH 2200 complete all as specified and directed. Epoxy grouting – Injection Low Viscous Epoxy Resin Grouting the cracks after fixing the injection ports at predetermine locations with the help of suitable injection grouting pumps at suitable pressures using two – component, high strength, low viscous (<350 cps @ ambient temperature) epoxy injection resin system having minimum pot life of 30 minutes at ambient temperatures, achieves compressive strength higher than 55MPa in 1 day & 65MPa at 7 days; Flexural strength higher than 55 MPa at 7 days; slant shear bond strength higher than 15 MPa in 7 days such as Sikainject 471 complete all as specified and directed.

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 Rust Off 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 directed. Note: Work to be executed by the authorised applicator of manufacturer only.

M&L for Drilling & Re baring of 10 mm dia x 120mmdeep, thoroughly coated with Zinc based reinforcement epoxy AquaArm CoatZP complete all as specified and directed.

M&L Providing and Application Aqua Arm Coat-Zp/ Friazinc R 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 Engrin-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.

M&L of two component solvent free epoxy bonding agent 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 preweighed quantities for ready onsite mixing and use. The material shall exhibits the following properties Compressive strength 50 N/mm2 at 7D Flexural strenght 35N/mms at 7 D , Shear strength ION/mm2 at 7D and Tensile strength 20 N/mm2 and Bond Strength of ION/mm2.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 directed. Note: Work to be executed by the authorized applicator of manufacturer

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. Surface finish of the repaired surface by mortar prepared with Water proofing admixture WP-10 or Sika Latex SBR complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturer

M&L Supply and apply a stitched one directioal , high strength CFRP fabric SikaWrap230C in single layer over tie beams and columns as per specification after surface preparation by rounding off sharp edges to 25mm radius and cleaning it properly including thixotropic epoxy based impregnating resin/adhesive Sikadur-330(IN) for low density fabric for base and top coat. Wraping the CFRP fabric to columns or beams at desired orientation using tamping rollers to avoid any air voids etc and sprinking sand over it complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer

M&L apply 12 mm plaster cover on the carbon fibre wraped structure in the ratio of 1:4 and admixed with WP-10 complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturer

Providing and erection at site self supported two/ leggged B class tubular steel scaffolding to work on external/ internal perimeter of overhead tank including approaches, extension, working plateform , ladders, lifting tackle for men and materials etc. all complete dismantling and taking away all materials and debris after completion of proposed work in overhead tank upto 15 mtr height complete all as specified and directed.

Note:- For item No 24.00 to 45.00 A. All the staffs will wear Safety Helmets. B. All the cleaning staffs will wear safety Shoe when entering in the tanks. C. Will use safety belts during climbing of stage mounted tanks and getting down in the OHT. D. All the staffs are under the cover of PF & ESI. E. Grouting water proofing & special repairing of roof will be done with technical assistance of authorized applicator by the manufacturer company and will provide warranty for water proofing of the reservoir for ten years.

M & L preparation old plastered or un-plastered surface including brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and providing two coat of cement base paint upto height 15 mtr incl scaffolding work complete all as specified and directed.

M&L for framed work of Fe-410W Gde E-250 quality A as in doors or gates of angle or other section with gusset plates, rails, braces, stairs etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering,running rails and guides) and hanging; also fastening and fixing complete all as specified and directed.

Dismantling structural steel work including doors, gates but excluding framed truss etc complete all as specified and directed.

Demolition of Concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

Material & labour for Machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade complete all as specified and directed.

Material & labour for Sand filling under floors or in foundations including watering and consolidation etc complete all as specified and directed.

M&L for 75 mm Thick PCC (1:4:8) type D-2 using 40mm graded stone aggregate as in floor/sub base etc concrete complete all as specified and directed.

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