Annual maintenance for arresting leakages in s V Ayurvedic College BIRRD Hospital buildings for the year 2026 27

Demolishing and disposal of unserviceable materials within 100 metres lead in unreinforced cement concrete up to 150 mm thick

Demolition including stacking of serviceable materials and disposal of unserviceable materials within 100 metres lead ---Brick work

Demolition including stacking of serviceable materials and disposal of unserviceable materials within 100 metres lead in R.C.C work

Engaging following Semi skilled work men (2nd Class) Mason / Carpenter / Plumber / Painter for attending regular maintenance and emergency works when ever required.

Engaging following Unskilled work men - Man / Woman Mazdoor/Watchman for maintenance works.

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.

Providing weather proof course with Screeding concrete in CC(1:2:4), 25mm average thickness using 6 to 10mm nominal size HBG crushed metal chips, screeding duly embedding 24G chicken mesh with necessary overlap etc.., and finishing the surface neatly and rounding the edges at parapet walls, columns etc., including cost of chicken mesh, including cost of all materials and conveyance of all materials etc., complete as directed during execution.

Providing and fixing flooring with full depth jointing and pointing to the Vitrified/ Ceramic Tile flooring in specified thick for tiles of any sizes with epoxy emulsion grout/ synthetic / resin adhesive in width of 3-5 mm with Nylon spacers excluding cost of tiles.

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 befollowed.

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 futurerusting. 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 remove b)FOSROC Nitozinc Primer Chemicals(Ind.) Pvt. Ltd

MAKE BONDING AGENT

a)Dr.FIXIT DR.Fixit Micro concrete

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

Providing and fixing flooring with full depth jointing and pointing to the Vitrified/ Ceramic Tile flooring in specified thick for tiles of any sizes with cement based adhesive in width of 3-5 mm with Nylon spacers excluding cost of tiles.

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 .

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.

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: 5.Apply one coat of Penetrative Primer MixPRIME SB 300 and allow touching dry.

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.