Annual maintenance of arresting the leakages of the Building of VQC-II, ATRH, NGRH 1, 2, 3 and 4 Museum building etc at Tirumala for the year 2026-27 (Reserved for Co-operative contract societies belonging to SC / ST / Weddaras)

Demolishing and disposal of unserviceable materials within 100 metres lead for Unreinforced cement concrete up to 15cm thickness

Dismantling flat and pan tiles or Mangalore tiles over flat tiles without roof timbers including clearing away and carefully stacking materials useful for re-use etc., complete as directed during execution.

Conveyance of excavated surplus earth/debris to a distance 2 kms from the site of work to the place where specified by the Engineer-in-Charge including loading and unloading etc., complete as directed during execution.

Cement Concrete (1.2.5:5) - Grade M15 using 20mm (0.54 cu.m) and 12mm (0.36cu.m) nominal size hard broken granite crushed metal from any source conforming to the relevant ISI standards for foundations etc., laid in layers of not more than 15cm thick well compacted including curing, machine mixing, cost and conveyance of all materials etc., complete. Note: Measurement boxes shall be used for measuring the quantities of cement, aggregate and water required for the given concrete mix.

Providing impervious coat to exposed RCC roof slab surface with CM (1:3), 20mm thick with 500 ml of liquid concentrated micronized cement water proof compound/ 100 ml of Integral cement water proofing admixture complies with IS:2645-2003 of approved make per 50 kg bag of cement laid over roof when it is green including cost of all materials, conveyance charges of materials and all operational, incidental and labour charges for mixing mortar, laying, rendering smooth and thread lining, curing, rounding off junctions of wall and slab etc., complete for finished item.

Repairing and sealing of cracks on plaster/masonry walls

The following procedure is to be adopted for repairing and sealing of cracks on Plaster/masonry walls.

1) The surface at cracks is to be cleaned from all dirt, oil, grease, fungus, loose particles by using wire brush. 2) The “V” shaped grooves shall be cut along the locations of all visible cracks and the grooves shall be cleaned to remove all the loose particles, dust etc. 3) The “V” grooves shall be 6 x 6 mm or as directed by the Engineer in charge. 4) The grooves shall be sprinkled with clean water before applying the sealing material. 5) Then the “V” grooves shall be filled with non shrink, cementitious, crack sealer/ crackfil material/ paste with a putty blade. 6) The treated area is to be cured for sufficient time (24 hours) before applying plastering/ painting.

The following materials are to be used depending upon the manufacturer.

MAKE CRACKFIL MATERIAL/PASTE

Dr.FIXIT DR.FIXIT Crack-X

FOSROC Renderoc CS Crack Sealer Chemicals(Ind.)Pvt. Ltd.

Note: The rate does not include plastering or painting which is to be paid separately but includes cost of chemical used as filler material

Supply of Semi Skilled work men plumber (2nd Class) for attending miscellanious works as directed during execution.

Supply of un-skilled Man Mazdoors / Women Mazdoorsr for attending miscellanious works as directed during execution.

SPECIALISED INJECTION GROUTING WITH CEMENT AND FREE FLOW ADDITIVES: a) Drilling of holes with power drilling machine to the required depth [12mm to 14mm dia holes] b) Fixing of Rubber Nozzles with cement and quick setting, Rapid hardening compound putty - Rapidstrong qs or equivalent. c) Grouting of holes with 140 PSI Grout pump with cement slurry mixing with Specialized Free flow, Non-shrink Grout additive - RAPIDSTRONG GROUT ADMIX (Armstrong ) /POWER n GROUT ADMIX (EBT) / CEBEX 100 (Fosroc )/ ZORIGROUT GP1 (PMCC) / SIKAGROUT ANCHKOR NSQ (Sika) /WATERSHIELD GROUT ADMIXi.e., 250 Grams per bag of 50 Kgs Cement add required water to make slurry form. d) After completion of grouting, Remove the Rubber nozzles e) Later sealing of the hole with polymer cement putty - ROOFCRETE AR (Armstrong ) / ZORIGROUT CMG (PMCC) / POWER n GUARD ARM (EBT) / WATERSHIELD AR / Fosroc NITOBOND AR + Cement. * FOR STRENTHENING AND SEAL THE POROSITY OF THE CONCRETE TO ARREST THE LEAKAGES, DAMPNESS, LEAKAGES OF CONSTRUCTION JOINTS: (FOR TERRACE /CEILING / RCC RETAINING WALLS BASEDMENT FLOORINGS / WATER TANKS / RESERVOIRS / TOILETS etc.,)

Repair to damaged concrete (ceiling / Beams/ columns)

The following procedure is to be adopted to repair the damaged concrete on ceiling/ Beams/ columns.

1) Temporary and adequate support by properly designing, staging and shuttering consisting of steel/ wooden props from the floor is to be provided. 2)(a) The damaged/ loose/ spalled/ friable concrete is to be removed by wire brushing, Scraping etc., to expose rusted reinforcement. (b) If the existing reinforcement is not damaged in terms of its size, strength, bonding properties etc., then step (4) is to be followed. (c) If the existing reinforcement (mild or tor steel) is damaged, then the same is to be replaced with new bars similar to the existing bars and then step (4) is to be followed. 3) All loose scale and corrosion deposits on the reinforcement shall be removed by Wire brushing, scraping or other mechanical means. 4) Two coats of Anti corrosive coating for steel are to be applied to avoid future rusting. 5) The exposed surface is to be finished neatly, by cement mortar duly adding suitable Polymer modifier bonding agent. 6) Curing is to be done by using a water based concrete curing compound.

The following materials are to be used depending upon the manufacturer

MAKE ANTI-CORROSIVE AGENT

a) Dr.FIXIT DR.Fixit Rust remover

a) Dr.FIXIT DR.Fixit Rust remover

MAKE BONDING AGENT

a)Dr.FIXIT DR.Fixit Micro concrete

b)FOSROC Nitobond SBR Chemicals(Ind.) Pvt. Ltd.

MAKE CURING COMPOUND

a) Dr.FIXIT Water

b)FOSROC Concure WB Chemicals(Ind.) Pvt. Ltd.

NOTE: 1) The rate is excluding cost of scaffolding and plastering.

2) The rate does not include the cost of the new reinforcement replacing the existing reinforcement. If the new reinforcement is placed, the cost of the same is to be paid separately.

SPECIALISED POLYSULPHIDE / POLYURETHANE / HIGHBRED ACRYLIC /SEALANT TREATMENT TO THE OLD / EXISTING EXPANSION JOINT IN THE TERRACE, COLUMN, BEAM.

1.Cut and remove the existing expansion joint in the screed for a minimum width of 200 mm and a depth of screed ( up to the mother slab) by using diamond disc cutting machine and dispose the debris as per the department instruction. All elevated kerb wall both sides of the expansion joint along with the top free laying slab, cover etc as per the site conditions under the scope of the main contractor / client. 2.Remove the existing filling for a minimum depth of 40 mm using sharp knife (approximate size 25x 40 mm) as per the site condition. 3.If the site condition allows to insert backer rod, remove the existing filling for a minimum depth of 70 mm from the top ( the clear filling of sealant should be 40 mm) and insert MixCELL R inside the joint. 4.Clean the surface with air blower up to receive a dust free surface and make sure the surface is sound dry or the moisture content is less than 5 %. 5.Apply one coat of Penetrative Primer MixPRIME SB 300 and allow touching dry.

6.Fill the MixFLEX AC in the joint by using a sealant gun / notch trowel as per site condition up to the required depth and width and allow to dry for a minimum period of 1 day as per the climatic condition. 7.Apply two coat of penetrative sealer coat site mixed primer MixPRIME AC100 - mix with portable water and OP Cement in the ratio of 2:1:3 (Two part MixPRIME AC100 : One Part water : 3 Part OP cement by using slow speed mixer machine with paddle for a period of 2 to 3 minutes up to receive a homogeneous mix) @ 1.000 Liter per SQM in the entire screed removed portion ( vertical and horizontal faces) of 200 mm along with saturated ( saturated with MixPRIME AC100: Water: OP Cement in the ratio of 2:1:1) MixFELT P50 in between the two coats and allow to cure for a period of 6 hours. 8.Do the necessary levelling plastering with cement sand mortar 1:2:4 (6 mm aggregate) screed along with the addition of MixBOND SBR Super and PLAST FIBER 3S as per the following for a minimum thickness of removal.

a.Mix the MixBOND SBR Super @ 2 Liter / Bag Cement in the ratio of 1:4 Mortar ( Pre mix the admixture in the portable water for preparing the mortar) b.Add 100 Gram PLASTFIBRE 3S in the above liquid and stirred well with a slow speed drill with paddle. c.Prepare the cement sand screed in the ratio of 1:2:4 with above prepared liquid for the suitable consistency. d.Necessary curing and drying for a minimum period of 4 days. 9.In wet condition, provide a dummy expansion joint on the top of the screed for a minimum size of 10 x 10 mm by using sharp trowel 10.Apply one coat of Penetrative Primer MixPRIME SB 300 in the entire surface of the dummy joint and allow to touch dry for a period of 30 minutes. Fill the MixFLEX AC in the joint by using a sealant gun / notch trowel as per site condition up to the required depth and width .

Procedure for MixGUARD HR5 Waterproofing System – 500 mm width:: 1.Apply one coat of penetrative sealer coat site mixed primer MixPRIME AC100 - mix with portable water and OP Cement in the ratio of 2:1:3 (Two part MixPRIME AC100 : One Part water : 3 Part OP cement by using slow speed mixer machine with paddle for a period of 2 to 3 minutes up to receive a homogeneous mix) @ 1.000 Liter per SQM as per the porosity of the prepared mother slab by using roller brush / hand brush / Sprayer and allow to dry for a period of 6 to 8 Hrs after the laying of tensile reinforcement mat. 2. Lay the MixMAT GFM70/50 (as per site condition) on the top of MixPRIME AC100 in the wet condition. In such a way place the MixMAT GFM 70/50 on the prepared surface and applied the slurry over also obtain the same technical property.

3. Apply one coat of penetrative primer MixPRIME AC @ 0.250 Liter per SQM by using roller brush / hand brush / sprayer and allow drying for a period of 6 Hrs. 4. Application of Base Coat Water Proofing System with MixGUARD HR @ 0.500 Kg / SQM by using roller brush / hand brush / sprayer and allow to dry for a period of 6 Hrs. 5. Application of Top Coat Water Proofing System with MixGUARD HR Xtra @ 0.500 Kg / SQM by using roller brush / hand brush / sprayer and allow to final curing for a period of 2 to 3 days with ROOFSEAL PS, MixFLEX AC, ZORISEAL PS, POWR n SEAL PS, NITOSEAL PS 200, WATERSEAL PS or equivalent compline with BS 5254, ASTM C 834, ASTM C 1253, ASTM D 4541, ASTM D 1117, ASTM D 5729.

Note: - 1.No dilution or modification recommended except item no 7,8 and 1 in HR5 System. 2.The all materials should be procure as per the consumption with respect of the work order. 3.The application should be carried out by an approved agency. 4.The contractor should provide 5 years material warrantee from the Manufacturer and 5 year warrantee from the applicator or combined 5.The all civil work such as cutting ( elevated kerb wall with slab), removing cleaning and screed with cement sand and aggregate including all materials and labours should be under the scope of the main contractor / client as per the site condition and our requirement to complete the expansion joint treatment as per the BOQ / Tender document.

Flooring with Antiskid floor tiles of Non-skid red or white full body Ceramic floor tiles of size 450 x 450 mm and thickness between 7-8 mm 1st quality conforming to IS:13711, IS:13712, IS:13630 (Parts 1 to 15) of any colour and finish in all shades and designs set over base coat of cement mortar (1:6) 20 mm thick over CC bed already laid or RCC roof slab, including white cement slurry of honey like consistency spread @ 3.30 kgs per sq.m. jointed with neat cement to full depth mixed with pigment of matching shade, including cost and conveyance of all materials like flooring slab, cement, sand and water etc., complete, for finished item of work. (Note: Unless otherwise laying of flooring is finished, no pre-payment shall be made for the tiles against supply)

Supply, laying and fixing of 110 mm dia Single socket PVC / SWR pipes & fittings (as per ISI standards) 6 Kg/Cm2 (Type -B) and commissioning the PVC pipes including couplers/ bends/ tees etc., any dia including fixing necessary fittings like bends, plugs, couplers, junctions, tees,etc., with solvent jointing as per standard practice.

Supplying and Fixing European Water Closet of 1st quality confirming to IS:2556-Part-2-1973 of white glazed with 'P' trap with ISI mark or equivalent brand approved by the department.

Supply & fixing of 10 Litres capacity Single Flush PVC low level cistern with internal components & short bend.

Supplying and Fixing best Indian make plastic seat and lid for European water closets with rubber or plastic Buffers as per IS 2548-1996

Supply and Fixing of Premium make CPVC Pipes and Fittings to meet the requirement of ASTM-D 2846 and are produced in CTS (Copper Tube Sizes 1/2" ton 2" SDR 11 and SDR 13.5 pipes are made from idential CPVC compounds having the same physical Properties for Hot and Cold Water (IS 15778:2007).

-do- 54.00 mm OD pipe SDR - 13.50

-do- '28.60 mm OD pipe SDR - 13.50

'-do- 22.20 mm OD pipe SDR - 13.50

Providing and fixing wall dado with cement based adhesive in specified thick and pointing with specified colour epoxy grout excluding cost of tiles.

SPECIALISED FIVE LAYER SYSTEM OF WATERPROOFING TREATMENT TO THE TERRACE WITH FOLLOWING SPECIFICATION.

Providing and laying five layer water proofing cum heat insulation treatment (MIX GUARD HR5) over existing roof slab, all as directed by Engineer-in-charge and as per the following specification: Arresting roof leakage by providing five layer treatment with MIX GUARD HR5 – five layer system of FAB Chemicals or equivalent elastomeric water proofing and heat reflective coating comprising of the following:

A.Surface preparation – Cleaning the whole area with wire brush. Chipping all loose/dead mortar thoroughly. Cleaning the entire area with high pressure water jetting to remove all loose particles/grease/oil/dust/dirt/curing compound etc. Surface cracks must be filled with Mix Build GP and wide cracks must be cut and repaired with Mix build SR polymer modified repair mortar. B) Application of Mix Guard HR5 – five layer system with brush.

1. First layer – MIX PRIME AC-100 Apply base prime coat using Mix Prime AC100 compound which is produced by mixing Mix Prime AC-100 with water and cement at the ratio 2:1:3 (Mix prime AC 100 : water : cement) by volume with a slow speed drill with paddle. This compound shall be applied with sufficient thickness to cover the holes/pores/cracks @ 1 lit/Sqm area (0.35 Lt of MIX Prime AC100/Sqm

2. Second Layer – MIX MAT GFM 70 / 50 Mix mat GFM70/50 Synthetic fibre reinforced mesh shall be spread on the top of the primer/in mix with Mix prime AC100 in the wet condition and allow to dry for a period of 6 to 8 hours. A minimum overlap of 100 mm to be provided at the joints i.e. at 1.10 Sqm/Sqm. The Mix mat GFM Mesh shall confirm to the technical specification as per the manufacturers data sheet (40 Gram / Sqm as a weight )

3. Third Layer – MIX PRIME AC Apply one coat of Mix Prime AC water based acrylic primer (with undiluted material) over the MIX mat GFM mesh @ 0.25 Kg/Sqm as a water tight primer in white colour and allow to dry for a period of 6 hours

4. Fourth layer – MIX GUARD HR (Base Coat) Apply one coat of Mix Guard HR acrylic based water proof and weather proof coating in white colour (with undiluted material) @ 0.50 kg/sq.m as a membrane on top of Mix prime AC and allow to dry for a period of 6 hours.

5. Fifth Layer – Mix Guard HR Extra (Top Coat) Apply one coat of Mix Guard Hr Extra acrylic based fibre reinforced water proofing and heat reflective membrane in white colour on top of Mix Guard HR base coat (With undiluted material) @ 0.50 kg/sq.m. And allow to dry the system for period of 24 hours to allow foot traffic.

Note: All the materials namely Mix Prime AC100, Mix Mat GFM70/50, Mix Prime AC, Mix Guard HR and Mix Guard HR Extra shall be procured for the entire work order quantity based on the consumption/coverage area as specified in the specification and shall be ensured by Engineer-in-charge. The Mix Guard HR5 layer system shall be carried out as per FAB Specifications

Tensile strength : 6.00 N/mm2 (ASTM D412 – 87) Adhesion to substance : > 1.5 N/mm2 (ASTM D4541) for MIX PRIME AC100 slurry with HP tiles, cementitious substrate and subsequent layers. Appearance: White/Grey/Terracotta liquid components Dry film apperance : Joint free membrane Density : 1.3 gm/cc

Tear strength : > 17 N/mm2 (ASTM D1004-76) Elongation at break : 200% for the system (ASTM D638) DFT of cured membrane : 1500 to 1700 microns Total Solids content: 68% + 2% Water penetration : No leak at 7 bars +ve side (DIN 1048) Application temperature : 5 deg C to 50 deg C Touch dry: 2 hrs at 25 deg C Recoatable : 6-8 hrs at 25 deg C Full cure: 7 days.

SPECIALISED FIVE LAYER SYSTEM OF WATERPROOFING TREATMENT TO THE TERRACE WITH Roofcare-prc 5 Systems or equivalent ( ROOFCARE PRC 5 (Armstrong) / ZORICOAT PFC 5 (PMCC)/ POWER SAC 5 L (EBT)/ WATERSHIELD 5 LWC.

a). Ist Layer Black coloured chemcial treatment : Providng and application of one coat of High bonding, flexible bituminous polyurethane blended bituminous coating with – Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent Ist Layer diluting with water at 1 : 1 ratio as a primer coat at a consumption of 200ml per Sqm.

b). IInd Layer : Providing and laying of Fibre Mesh 40 GSM, with 1 Mtr width and 50mm overlap on the primed surface.

c). IIIrd Layer Grey coloured coating : Providing and application of one coat of Acrylic rubberized elastomeric flexible waterproof grey coating with – Roofcare prc 5 systems ASTM-C 836 or equavalent or equavalent diluting with 50% of water at a consumption of 400ml per Sqm.

d). IVth Layer white colured coating : Providing and application of one coat of High solid, cold applied, Fibre reinforced acrylic elastomeric waterproof membrane off white coating –Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent coating (add the water upto 200ml ) (Consumption of 350ml per Sqm ).

e). Vth Layer super white reflective coating : Application of one coat of 100% pure acrylic solar reflective pure white coating withRoofcareprc 5 systems Confirming to ASTM -C 297 or equavalent solar refective coating diluting with 20% of water (Consumption of 300ml per Sqm ).

THE ABOVE TREATMENT WILL BE GUARANTEED FOR 5 YEARS

Rupees Eleven lakhs Forty Three thousand Five hundred eighty seven and paise Forty only