RFQ for Waterproofing & Allied Civil / Plumbing / Electrical Works – Common Areas, Block A, B & C (L0 & L1), MMTH Central Piazza and water proofing works for Vertical garden at MMTH Level-0

S.No Existing Clause Details Vendor Query

Bidders shall submit their pre-bid queries using this template and send to us by discussion forum, in excel file. No rows shall be leave blank or this file not to be modified.

BANGALORE INTERNATIONAL AIRPORT LIMITED

Kempegowda International Airport, Bengaluru

Waterproofing & Allied Civil / Plumbing / Electrical Works – Common Areas, Block A, B & C (L0 & L1), MMTH Central Piazza

Completion: 45 days from date of PO award

TECHNICAL EVALUATION CRITERIA

Sl. No. Technical Criteria Weightage (%)

C1 Bidder's Previous Experience in Completing Projects of Similar Nature

C1.1 Waterproofing Experience & OEM Credentials Minimum 2 completed projects in the past 5 years involving polyurethane (PU) / PU-hybrid liquid-applied membrane waterproofing, each of minimum 500 sq.m, executed by the bidder's own OEM-certified crew. Preferably at least 1 project of remedial / leak-rectification waterproofing done in an operational airport, metro, mall or hospital environment. Bidder must be a current OEM-certified applicator of the proposed membrane system (Sika / Fosroc / Dr. Fixit or approved equivalent meeting BOQ Item 5 performance). Submission: Completion certificates, LOA copies, client references, past project photos for all cited projects; OEM applicator certificate and tender-specific OEM authorisation letter addressed to BIAL. 15

C1.2 Project Scale & Value At least 2 completed projects with a contract value of INR 1 Cr each or above (or 1 project of INR 1.5 Cr or above) in waterproofing and allied civil works (masonry, plaster, painting, stone flooring) within the last 5 years, executed as main contractor. Pure painting / tiling contracts will not be considered. Submission: Work order / LOA with contract value clearly mentioned, and completion certificate issued by the client. 8

C1.3 Allied Civil, Light Steel & Specialist Works Demonstrated experience in the allied scope of this contract: external waterproof plaster & exterior painting, granite flooring / strips matched to existing finishes, MS framing with fibre cement board, external ACP cladding, and green wall with automatic drip irrigation & drainage. Works may be executed in-house or through a named specialist agency with documented prior association with the bidder. Submission: Completion certificates / client testimonials describing the scope; tie-up letters and credentials of named specialist agencies (green wall, ACP). 6

C1.4 Live MEPF Works in Operational Buildings Demonstrated experience in modification / relocation of charged (live) fire hydrant or sprinkler systems under impairment & permit procedures, rainwater / drainage modifications (new outlets, downtakes, core cutting) and electrical conduit rerouting, in at least 2 projects in operational buildings in the last 5 years. FPS works may be executed through a named specialist agency. Submission: Scope description in completion certificate or client testimonial; sample impairment permit and hydro-test report from a past project. 6

C2 Bidder's Proposed Approach, Methodology, Work Plan and Skilled Resources for Supply, Installation, Testing & Commissioning

a. Project Execution Methodology & Mobilization Plan Clear and detailed presentation of the work methodology for completion of the project within 45 days from the date of PO award, covering: site mobilization, block-wise phasing (Block A, B & C), night / restricted-hour working, barricading and passenger segregation, interface with operating retail partners, protection of existing finishes and waterproofing, BIAL Fire impairment plan for the hydrant relocation, weather / rain contingency for waterproofing, and handover strategy. 10

b. Detailed Schedule of Works Comprehensive project schedule prepared in MS Project (MSP) or Primavera P6, logic-linked with critical path, covering all activities: material approvals, procurement lead times (PU membrane system, ACP, SS gratings, green wall modules), fabrication, installation, testing (ponding, hydro test, flow test) and commissioning for all scopes (Waterproofing, Sealants, Plaster & Paint, Blockwork, Granite, Green Wall, Gap Closure, ACP Cladding, Fire Hydrant, Rainwater Downtakes, Electrical). 8

c. Project Team Organisation & Key Personnel CVs Organisation chart indicating dedicated project team for this contract, with key personnel on the bidder's payroll, including references from projects of similar nature handled by the same company. Submit latest CVs of all key personnel. Minimum experience requirements: 1) Project Manager / Site In-charge – BE/BTech Civil, minimum 8 years, including at least 2 remedial waterproofing projects 2) Waterproofing Supervisor – Minimum 5 years; OEM certification mandatory 3) MEP / FPS Supervisor – Minimum 5 years in fire protection & plumbing works 4) Quality Control Engineer – Minimum 5 years 5) Safety Officer – Minimum 3–5 years; relevant safety certification mandatory 7

d. EHS Management Plan Submission of a site-specific Environment, Health & Safety (EHS) plan aligned with BIAL's EHS selection criteria. Must include: risk assessment matrix, method statements for high-risk activities (working at height on roof / ACP / green wall, hot work, core cutting, works on charged fire system, solvent-based materials), PPE protocol, permit-to-work system, incident reporting process, and emergency response plan. Submission: Company EHS Policy, EHS plan document, and ISO 45001 / equivalent certification (if available). 5

e. Ingress Diagnosis & Waterproofing Method Statement Project-specific technical note addressing each of the identified water-ingress sources – (i) open shop fronts, (ii) green wall irrigation, (iii) L1 staircase / wall-edge seepage, (iv) rainwater downtake inside the retail outlet – with the BOQ items mapped to each. OEM-endorsed method statement covering substrate preparation, moisture & pull-off testing, coves and detailing at penetrations / outlets / terminations, coat thickness control, ponding test and interface with exterior paint. Shop drawings for ACP cladding, gap closure, green wall and hydrant relocation to be prepared in-house. Submission: Technical note with site photos (from mandatory site visit), OEM-countersigned method statement, and sample shop drawings from a past project. 10

C3 Resource Plan for Supply and Site Execution (Personnel, Plant & Equipment)

a. Manpower Deployment Plan Trade-wise manpower histogram for the entire 45-day project duration, indicating number of workers per trade per week (waterproofing applicators, masons, plasterers, painters, stone masons, fabricators / welders, ACP installers, plumbers, FPS fitters, electricians, landscaping crew), including night-shift deployment. Histogram must align with the submitted project schedule. 5

b. Equipment & Testing Instruments List of tools, machinery and testing instruments proposed for site deployment, with quantities (e.g., surface grinders, moisture meter, WFT / DFT gauge, pull-off adhesion tester, diamond core-cutting rig with GPR / ferro-scanner, welding sets, hydro-test pump, scaffolding / mobile access platforms). Contractor to confirm whether items are owned or to be hired, with calibration certificates for testing instruments. 5

C4 Quality Management System & Compliance

a. Quality Assurance Plan Submission of a project-specific Quality Assurance / Quality Control (QA/QC) plan covering: inspection & test plans for each work category (waterproofing, sealants, plaster & paint, blockwork, granite, ACP, green wall, fire hydrant, PHE), mock-up / trial patch approval before full-scale work, hold-point / witness-point register, MAS–MS–MIR–IR workflow, non-conformance reporting and defect management procedure. Submission: Company ISO 9001 certificate (if held) and sample ITP / test records (ponding, pull-off, hydro test) from a past project. 6

b. Warranty Track Record & Past Performance Evidence of joint OEM + applicator waterproofing warranties (minimum 10 years) issued on past projects, and client performance certificates confirming leak-free performance after at least one monsoon. Submission: Copies of warranty deeds and client performance certificates with reference contact. 4

C5 Financial Capability & Adherence to RFP Terms and Conditions

a. Financial Standing Audited financial statements for the last 3 years confirming adequate annual turnover and financial health to support the project. Minimum average annual turnover of INR 1 Cr (or equivalent) in the last 3 financial years from construction works, with positive net worth in the last audited year. Minimum cash balance of INR 50 Lakh; in case the threshold is not met, an OD facility of the minimum equivalent amount should be submitted (dated not earlier than 7 days prior to the date of submission). Submission: Audited P&L / Balance Sheet for FY2023-24, FY2024-25, FY2025-26. Pass / Fail

b. Adherence to Terms, Conditions & Statutory Compliance Confirmation of acceptance of all RFP terms and conditions including: 45-day project completion timeline from the date of PO award, defect liability period of 12 months post-completion, joint OEM + applicator waterproofing warranty of 10 years on non-judicial stamp paper, payment schedule against BOQ, MAS / method statement / MIR / IR submission protocols, BIAL Fire impairment procedure for works on the fire hydrant system, and compliance with all applicable statutory regulations (local authority bye-laws, fire safety norms, airport security / BCAS requirements, EPF, ESIC & BOCW). Submission: Signed declaration of compliance with RFP requirements. 5

1. A minimum qualifying score of 70 out of 100 is required to be considered technically responsive. In addition, the bidder must secure a minimum of 60% of the marks in C1.1 (Waterproofing Experience) and C1.4 (Live MEPF Works), irrespective of the total score.

2. Mandatory with the technical bid (non-submission = bid not evaluated): (i) tender-specific OEM authorisation letter confirming certified-applicator status and joint 10-year warranty; (ii) named specialist agencies for fire hydrant, green wall and ACP works with signed tie-up letters (no 'to be decided'); (iii) site visit certificate countersigned by BIAL.

3. All supporting documents (completion certificates, CVs, financials, EHS plans, method statements, sample shop drawings) must be submitted as part of the technical bid. Self-certified completion certificates will not be considered.

4. BIAL reserves the right to seek clarifications, conduct presentations / interviews with shortlisted bidders, verify cited reference projects at site, and confirm credentials directly with the OEM and clients before finalising the technical score. Marks will be awarded only for claims that are verified.

5. Financial bid will be opened only for technically qualified bidders.

6. The project completion period is 45 days from the date of PO award. Any deviation from this must be clearly justified.

BILL OF QUANTITIES

Name of Work: Waterproofing & Allied Civil / Plumbing / Electrical Works – For Vertical Green wall at L0, MMTH, KIA

S.No. Short Item Description Description / Specification Unit Qty Rate (₹) Amount (₹)

1 Demolition of existing 200 mm block wall Dismantling and removing existing 200 mm thick block masonry wall including RCC/PCC lintels, sill bands and embedded fixtures, by manual means or with low-vibration mechanical tools (diamond wall-saw cutting at retained edges to obtain a clean line). The work includes: • Prior scanning/verification and isolation of concealed services; protection of adjacent structure, finishes, glazing and services with approved coverings. • Work behind BIAL-approved mobile barricades with dust screens; no disturbance to passenger movement; dust and noise control as per BIAL HSE requirements. • Making good the cut edges/jambs to receive new finish; removal of mortar, fixings and projecting rebars flush. • Stacking of serviceable materials at location directed; segregation, loading, transportation and disposal of C&D debris outside airport premises to an authorised C&D waste facility, with waste manifests/records (LEED C&D waste compliance), including all leads and lifts. Measurement: net wall area demolished (openings deducted). Sq. Mtr. 35.00

2 GI conduit – rerouting / modification Supply, installation and modification of existing wiring route in surface-mounted rigid steel (GI) conduit, conforming to IS 9537 (Part 1 & 2), hot-dip / pre-galvanised, heavy gauge with ISI mark, including: • GI spacer-bar saddles at max. 600 mm c/c and within 150 mm of bends/boxes, fixed with anchor fasteners. • Factory-made bends, couplers, inspection/junction boxes (GI, with gasketed covers for external locations), bushes and locknuts; minimum bending radius as per IS 732. • GI pull wire, earth continuity across all joints, removal of redundant conduit, making good of surfaces, and painting to match surroundings. Measurement: running length along centre line of conduit, fittings included.

2.1 25 mm dia GI conduit, 1.6 mm wall thickness (16 SWG). RMT 50.00

3 Temporary shop-front barricade (MS frame + ply + vinyl) Providing, erecting and maintaining a single-skin temporary barricade at open shop fronts, height as per drawing (typ. up to soffit/header), set back from the shop-front line to leave working space for the incoming retail partner, comprising: • Framework: MS rectangular hollow sections 60 × 40 × 2.0 mm (IS 4923, YST 310) for posts and runners at max. 1.2 m c/c both ways, with diagonal bracing at 2.4 m c/c; base plates anchored to floor with 12 mm dia anchor fasteners and top restrained to soffit/structure; all welds ground smooth; one coat red-oxide/zinc-chromate primer and two coats synthetic enamel paint. • Sheathing: 12 mm thick BWP/Marine grade plywood (IS 710) or BWR grade (IS 303), 1220 × 2440 mm, screw-fixed at 300 mm c/c with self-drilling screws; all edges sealed; joints aligned flush and taped. • Surface: primer and one coat exterior-grade waterproof paint suitable to receive graphics; supply and fixing of printed self-adhesive vinyl with UV lamination or 440 GSM front-lit flex (artwork as approved by BIAL). • Top: roof cover at ceiling level as per Item 6. • Base: sealed to the blockwork bund (Item 4) with PU sealant to prevent water ingress at the bottom edge. • One lockable hinged access door (approx. 900 × 2100 mm, MS frame + ply shutter, tower bolt, hasp & padlock) per unit, or as directed. • Maintenance during the contract period, dismantling on instruction and removal of materials. Measurement: face area of barricade (door included). Sq. Mtr. 125.00

4 Single-course blockwork bund at shop fronts Providing and constructing single-course (approx. 200 mm high) bund wall, 200 mm thick, in solid concrete blocks conforming to IS 2185 (Part 1), Grade A, minimum average compressive strength 5.0 N/mm², nominal size 400 × 200 × 200 mm, laid in cement mortar 1:4 (1 cement : 4 coarse sand) using OPC 43/53 grade (IS 269) with integral waterproofing compound conforming to IS 2645 at OEM dosage, joints 10 mm thick, fully filled. Including hacking of the floor surface at base for bond, 12 mm thick CM 1:4 plaster with IS 2645 waterproofing admixture on exposed faces and top (rounded edge), curing for minimum 7 days, and removal of bund on instruction. Measurement: running length of bund. RMT 100.00

5 PU liquid-applied waterproofing – external areas Providing and applying single-component, moisture-curing, high-solids polyurethane liquid-applied waterproofing membrane on external areas (base of green-wall / external walls, building periphery and shop-front edges) in L-shape – min. 50 mm on horizontal surface (up to grating / expansion joint) and 300 mm upturn on vertical surface, or as per drawing – complete as per OEM method statement, including: a) Surface preparation: removal of loose/existing plaster, granite floor / cladding, mortar, laitance, oil, grease and dust by mechanical grinding / wire brushing; cracks > 1 mm V-grooved and filled with OEM repair mortar/sealant; honeycombs and voids repaired with polymer-modified mortar. Substrate to be sound (pull-off ≥ 1.5 N/mm²) and dry (moisture ≤ 4 % by CM meter) before priming. b) Cove / fillet: min. 25 × 25 mm fillet in polymer-modified mortar at all wall–floor junctions and internal corners. c) Primer: one coat of OEM-recommended primer compatible with the substrate and membrane. d) Detailing: at coves, corners, construction/cold joints, pipe penetrations, drain outlets and terminations – one coat of membrane with embedded non-woven polyester geotextile (80–100 g/m²), min. 150 mm wide, laps ≥ 50 mm, fully saturated; total DFT at details ≈ 2.0 mm. e) Membrane: minimum two coats by trowel / squeegee / roller to achieve total dry film thickness ≥ 1.5 mm (approx. 2.4 kg/m² for the reference product), second coat within OEM recoat window. f) Termination on vertical face into a 10 × 10 mm chase sealed with PU sealant (ISO 11600 F 25LM), or with aluminium termination bar as directed. g) Protection: (i) concealed areas – broadcast dry silica sand on final wet coat for key, followed by protective screed / granite bedding; (ii) exposed areas – two coats of OEM aliphatic UV-resistant PU top coat. h) Testing: wet-film thickness checks during application; 48-hour ponding test on horizontal portions where practicable; pull-off adhesion test as directed by Engineer-in-Charge. Minimum cured membrane performance (to be demonstrated by OEM TDS / test reports): solids by weight ≥ 85 %; elongation at break ≥ 400 % (ASTM D412); tensile strength ≥ 2.0 N/mm² (ASTM D412); tensile adhesion to concrete ≥ 1.0 N/mm² (ASTM D7234); water absorption ≤ 5 % (ASTM D570); crack-bridging ≥ 2.0 mm; no cracking at low-temperature flexibility test. Sq. Mtr. 120.00

i) Cleaning and sealing of the expansion joint along the building periphery with closed-cell polyethylene backer rod and single-component PU sealant (ISO 11600 F 25LM, movement accommodation ±25 %) with OEM primer, width : depth ratio as per OEM, including removal of old sealant. Application conditions: substrate and ambient temperature +10 °C to +35 °C, RH ≤ 80 %, substrate ≥ 3 °C above dew point; no application when rain is expected within 48 hours. Reference product: Sika India – Sikalastic M 645 with Sika primer and aliphatic top coat, or approved equivalent (Dr. Fixit Flexi PU 270(I) / Fosroc Nitoproof PU range) meeting the above performance. Applicator to be OEM-certified; 10-year joint warranty from OEM and applicator on non-judicial stamp paper. Measurement: actual surface area treated including upturns; detailing strips, laps, fillets and protection not measured separately.

Exterior grade paint over waterproofed wall surface Providing and applying exterior grade 100 % acrylic emulsion paint (IS 15489) on external wall surfaces where PU waterproofing is done, including the full plastered wall face above it so that the finish is uniform, to shade approved by BIAL, comprising: a) Surface preparation: plastered surfaces cured, dry (moisture ≤ 16 % by moisture meter) and free of dust, efflorescence and loose particles; minor cracks and undulations filled with exterior crack-filler / putty compatible with the paint system. b) Over PU-membrane zone: membrane to be sand-broadcast (Item 5 g-ii) and fully cured; apply one coat of OEM-recommended bonding / adhesion primer compatible with polyurethane, after a trial patch adhesion check (cross-hatch). c) Over plaster: one coat of alkali-resistant exterior primer (solvent or water based as per paint OEM). d) Finish: two coats of exterior 100 % acrylic emulsion with anti-algal / anti-fungal properties and dirt-pick-up resistance, applied by brush / roller at OEM coverage, minimum 4 hours between coats (or as per OEM). e) Protection of adjacent surfaces, glazing, granite and fixtures; cleaning on completion. Approved makes: Asian Paints (Apex Ultima) / Dulux (Weathershield) / Berger (WeatherCoat) or equivalent as per BIAL MAL. Measurement: net painted area (openings > 0.5 m² deducted). Sq. Mtr. 200.00

6 GI sheet roof cover over temporary barricade Providing, fixing and maintaining temporary GI sheet roof cover at ceiling level over the shop-front barricade (Item 3), spanning between the top of the barricade and the building soffit / shop-front header, to prevent rainwater entering the open shop fronts, comprising: • MS framing: rectangular hollow sections 60 × 40 × 2.0 mm (IS 4923) as rafters/runners at max. 1.2 m c/c, connected to the barricade frame and anchored to RCC/steel structure with 12 mm dia anchor fasteners or bolted clamps (no welding to existing structural steel without approval); one coat red-oxide/zinc-chromate primer and two coats synthetic enamel paint. • Sheeting: plain galvanised (unpainted) trapezoidal / corrugated GI profile sheet, 0.50 mm thick, zinc coating Z275 (IS 277), fixed with self-drilling screws with EPDM-bonded washers at every alternate crest on each runner. • Slope min. 1 in 10 falling outwards away from the shop front, with 75 mm drip edge projecting beyond barricade face so water discharges to the external drain side. • Side laps min. one corrugation and end laps min. 150 mm; junction with wall/soffit closed with 0.50 mm GI flashing sealed with PU sealant (ISO 11600 F 25LM); gaps at profile ends closed with foam fillers. • Maintenance during the contract period; dismantling on instruction and removal of materials from site. Measurement: plan area of roof cover; framing, flashings and laps not measured separately. Sq. Mtr. 100.00

7 Rerouting of drain pipe Dismantling the temporary drain pipe at lift headroom terrace and providing, fixing and testing uPVC rainwater pipe conforming to IS 13592 Type A, 110 mm dia (or as per drawing), with matching fittings (IS 14735), solvent-cement / rubber-ring joints, UV-stabilised or painted where exposed; including terrace outlet connection with PU membrane flashing, GI clamps with anchor fasteners at max. 1.0 m c/c, core cutting / making good, and water-tightness test. Discharge to nearest approved rainwater downtake / drain. Measurement: running length along centre line, fittings included. RMT 20.00

8 Cat ladder – headroom access Providing and fixing vertical cat ladder for access to lift headroom terrace for ventilation fan maintenance, fabricated from MS conforming to IS 2062 (E250): stiles 50 × 50 × 6 mm angle, rungs 20 mm dia solid bar at 300 mm c/c, clear width 450 mm, wall brackets at max. 1.5 m c/c providing min. 150 mm clearance behind rungs, fixed with 12 mm dia anchor fasteners; stiles extended 1.0 m above landing level as grab; safety hoops where climb height exceeds 3.0 m; entire assembly hot-dip galvanised to IS 4759 after fabrication; design and use in line with IS 3696 (Part 2). Measurement: per number, for the vertical height stated. Lot 1.00

9 Rainwater outlet grating – L1 terrace Providing, fixing and testing 150 mm dia rainwater outlet with removable SS 304 dome/flat grating at Level-1 terrace, comprising outlet body (cast iron / uPVC as approved) with membrane clamping flange/ring for integration with the PU waterproofing membrane, spigot connection to the downtake with required couplers, bends and clamps; including cutting and making good the surfaces, membrane flashing around the outlet, and leak-proof test by ponding, complete as directed by Engineer-in-Charge. No. 28.00

10 External cement plaster with waterproofing admixture Providing 18 mm thick cement plaster in two coats (12 mm base coat CM 1:4 + 6 mm finishing coat CM 1:4) on external blockwork, with integral waterproofing compound conforming to IS 2645, including hacking/cleaning, GI chicken mesh (24 G) at block–RCC junctions, drip mould where required, and curing for 7 days; finished to receive PU membrane / final finish. Sq. Mtr. 200.00

11 Granite Flooring All Stone flooring should be adequately protected with plastic sheets, POP layer till final polishing & handing over, without any extra payment.

Providing and laying, machine cut, flamed Granite stone slabs, for flooring in approved size, shade, texture and in required design and patterns or in combination with other stone slabs, in linear as well as curvilinear portions of the building, all complete as per the architectural drawings, with 30 mm thick approved flamed granite stone slab over 20 mm (average) thick base of cement mortar 1:4 (1 cement : 4 coarse sand), laid and jointed with cement slurry and pointing with white cement slurry admixed with pigment of matching shade, including rubbing, polishing & curing.

The bottom surface & four sides of the granite stone flooring shall be pre-treated before laying with two or more coats of approved water proofing penetrating shield treatment of approved make and quality

The top surface of the granite stone flooring shall be treated with two or more coats of stain proof penetrating shield treatment of approved make and quality, on the top surface of the granite floor surface, which includes initial one dense coat during execution and subsequent one or more coats at completion stage.

The work shall be carried out as per manufacturer's recommendation including cutting, wastage, flaming to achieve the desired finish & cleaning at final stage of building work, making cut outs for services etc. complete as per drawings, specifications and as directed by the Engineer-in-Charge.

Note : I) The type, colour, shade and texture of the granite stone shall be got approved from the Engineer-in-charge prior to procurement by the contractor.

II) The samples of the granite stones shall be made available by the contractor for inspection and approval by the Engineer-in-charge at no extra cost.

III) All Stone flooring should be adequately protected with plastic sheets, POP layer till final polishing & handing over, without any extra payment.

Flamed finished granite stone slab (Sera Grey or approved equivalent), of 30mm thickness and 1200 mm x 600 mm size as approved by the Engineer-in-charge. LS 1.00

12 Shifting of rainwater downtake outside outlet Dismantling the rainwater downtake / floor outlet inside the retail outlet and relocating to the external face, with uPVC pipe IS 13592 Type A (110/160 mm dia as per design) and fittings, core cutting through slab/wall, GI clamps, connection to external drain; sealing of the abandoned opening with non-shrink cementitious grout and PU membrane patch; testing. LS 1.00

Sub Total Amount 0.00

GST (On Basic + BOCW)

GENERAL NOTES 1. Rates shall be inclusive of all materials, labour, tools, plant, scaffolding, leads and lifts, wastage, testing, BIAL security/pass requirements, night/restricted-hour working in the operational terminal, protection of finishes, cleaning and taxes except GST. 2. All materials to be from BIAL Approved Make List (MAL); samples, OEM TDS, test certificates and method statements to be submitted and approved before procurement (MIR/IR procedure). 3. Waterproofing work to be executed only by OEM-certified applicators; OEM technical representative to be present at start-up; warranty as specified. 4. Relevant codes (latest revision): IS 2185 (Pt 1), IS 2645, IS 269, IS 1200 (measurement), IS 4923, IS 710 / IS 303, IS 9537, IS 732, IS 13592, IS 14735, IS 2062, IS 4759, IS 3696 (Pt 2), IS 277 / IS 15961 / IS 14246, ASTM D412 / D570 / D7234. 5. Quantities are provisional & to be calculatede. It is to be reviewed by QS team.

BILL OF QUANTITIES

Name of Work: Waterproofing & Allied Civil / Plumbing / Electrical Works – Common Areas, Block A, B & C (L0 & L1), MMTH Central Piazza, KIA

S.No. Short Item Description Description / Specification Unit Qty Rate (₹) Amount (₹)

1 Demolition of existing 200 mm block wall Dismantling and removing existing 200 mm thick block masonry wall including RCC/PCC lintels, sill bands and embedded fixtures, by manual means or with low-vibration mechanical tools (diamond wall-saw cutting at retained edges to obtain a clean line). The work includes: • Prior scanning/verification and isolation of concealed services; protection of adjacent structure, finishes, glazing and services with approved coverings. • Work behind BIAL-approved mobile barricades with dust screens; no disturbance to passenger movement; dust and noise control as per BIAL HSE requirements. • Making good the cut edges/jambs to receive new finish; removal of mortar, fixings and projecting rebars flush. • Stacking of serviceable materials at location directed; segregation, loading, transportation and disposal of C&D debris outside airport premises to an authorised C&D waste facility, with waste manifests/records (LEED C&D waste compliance), including all leads and lifts. Measurement: net wall area demolished (openings deducted). Sq. Mtr. 35.00

2 GI conduit – rerouting / modification Supply, installation and modification of existing wiring route in surface-mounted rigid steel (GI) conduit, conforming to IS 9537 (Part 1 & 2), hot-dip / pre-galvanised, heavy gauge with ISI mark, including: • GI spacer-bar saddles at max. 600 mm c/c and within 150 mm of bends/boxes, fixed with anchor fasteners. • Factory-made bends, couplers, inspection/junction boxes (GI, with gasketed covers for external locations), bushes and locknuts; minimum bending radius as per IS 732. • GI pull wire, earth continuity across all joints, removal of redundant conduit, making good of surfaces, and painting to match surroundings. Measurement: running length along centre line of conduit, fittings included.

2.1 25 mm dia GI conduit, 1.6 mm wall thickness (16 SWG). RMT 50.00

3 Temporary shop-front barricade (MS frame + ply + vinyl) Providing, erecting and maintaining a single-skin temporary barricade at open shop fronts, height as per drawing (typ. up to soffit/header), set back from the shop-front line to leave working space for the incoming retail partner, comprising: • Framework: MS rectangular hollow sections 60 × 40 × 2.0 mm (IS 4923, YST 310) for posts and runners at max. 1.2 m c/c both ways, with diagonal bracing at 2.4 m c/c; base plates anchored to floor with 12 mm dia anchor fasteners and top restrained to soffit/structure; all welds ground smooth; one coat red-oxide/zinc-chromate primer and two coats synthetic enamel paint. • Sheathing: 12 mm thick BWP/Marine grade plywood (IS 710) or BWR grade (IS 303), 1220 × 2440 mm, screw-fixed at 300 mm c/c with self-drilling screws; all edges sealed; joints aligned flush and taped. • Surface: primer and one coat exterior-grade waterproof paint suitable to receive graphics; supply and fixing of printed self-adhesive vinyl with UV lamination or 440 GSM front-lit flex (artwork as approved by BIAL). • Top: roof cover at ceiling level as per Item 6. • Base: sealed to the blockwork bund (Item 4) with PU sealant to prevent water ingress at the bottom edge. • One lockable hinged access door (approx. 900 × 2100 mm, MS frame + ply shutter, tower bolt, hasp & padlock) per unit, or as directed. • Maintenance during the contract period, dismantling on instruction and removal of materials. Measurement: face area of barricade (door included). Sq. Mtr. 125.00

4 Single-course blockwork bund at shop fronts Providing and constructing single-course (approx. 200 mm high) bund wall, 200 mm thick, in solid concrete blocks conforming to IS 2185 (Part 1), Grade A, minimum average compressive strength 5.0 N/mm², nominal size 400 × 200 × 200 mm, laid in cement mortar 1:4 (1 cement : 4 coarse sand) using OPC 43/53 grade (IS 269) with integral waterproofing compound conforming to IS 2645 at OEM dosage, joints 10 mm thick, fully filled. Including hacking of the floor surface at base for bond, 12 mm thick CM 1:4 plaster with IS 2645 waterproofing admixture on exposed faces and top (rounded edge), curing for minimum 7 days, and removal of bund on instruction. Measurement: running length of bund. RMT 100.00

5 PU liquid-applied waterproofing – external areas Providing and applying single-component, moisture-curing, high-solids polyurethane liquid-applied waterproofing membrane on external areas (base of green-wall / external walls, building periphery and shop-front edges) in L-shape – min. 50 mm on horizontal surface (up to grating / expansion joint) and 300 mm upturn on vertical surface, or as per drawing – complete as per OEM method statement, including: a) Surface preparation: removal of loose/existing plaster, granite floor / cladding, mortar, laitance, oil, grease and dust by mechanical grinding / wire brushing; cracks > 1 mm V-grooved and filled with OEM repair mortar/sealant; honeycombs and voids repaired with polymer-modified mortar. Substrate to be sound (pull-off ≥ 1.5 N/mm²) and dry (moisture ≤ 4 % by CM meter) before priming. b) Cove / fillet: min. 25 × 25 mm fillet in polymer-modified mortar at all wall–floor junctions and internal corners. c) Primer: one coat of OEM-recommended primer compatible with the substrate and membrane. d) Detailing: at coves, corners, construction/cold joints, pipe penetrations, drain outlets and terminations – one coat of membrane with embedded non-woven polyester geotextile (80–100 g/m²), min. 150 mm wide, laps ≥ 50 mm, fully saturated; total DFT at details ≈ 2.0 mm. e) Membrane: minimum two coats by trowel / squeegee / roller to achieve total dry film thickness ≥ 1.5 mm (approx. 2.4 kg/m² for the reference product), second coat within OEM recoat window. f) Termination on vertical face into a 10 × 10 mm chase sealed with PU sealant (ISO 11600 F 25LM), or with aluminium termination bar as directed. g) Protection: (i) concealed areas – broadcast dry silica sand on final wet coat for key, followed by protective screed / granite bedding; (ii) exposed areas – two coats of OEM aliphatic UV-resistant PU top coat. h) Testing: wet-film thickness checks during application; 48-hour ponding test on horizontal portions where practicable; pull-off adhesion test as directed by Engineer-in-Charge. Minimum cured membrane performance (to be demonstrated by OEM TDS / test reports): solids by weight ≥ 85 %; elongation at break ≥ 400 % (ASTM D412); tensile strength ≥ 2.0 N/mm² (ASTM D412); tensile adhesion to concrete ≥ 1.0 N/mm² (ASTM D7234); water absorption ≤ 5 % (ASTM D570); crack-bridging ≥ 2.0 mm; no cracking at low-temperature flexibility test. Sq. Mtr. 120.00

i) Cleaning and sealing of the expansion joint along the building periphery with closed-cell polyethylene backer rod and single-component PU sealant (ISO 11600 F 25LM, movement accommodation ±25 %) with OEM primer, width : depth ratio as per OEM, including removal of old sealant. Application conditions: substrate and ambient temperature +10 °C to +35 °C, RH ≤ 80 %, substrate ≥ 3 °C above dew point; no application when rain is expected within 48 hours. Reference product: Sika India – Sikalastic M 645 with Sika primer and aliphatic top coat, or approved equivalent (Dr. Fixit Flexi PU 270(I) / Fosroc Nitoproof PU range) meeting the above performance. Applicator to be OEM-certified; 10-year joint warranty from OEM and applicator on non-judicial stamp paper. Measurement: actual surface area treated including upturns; detailing strips, laps, fillets and protection not measured separately.

6 Exterior grade paint over waterproofed wall surface Providing and applying exterior grade 100 % acrylic emulsion paint (IS 15489) on external wall surfaces where PU waterproofing is done, including the full plastered wall face above it so that the finish is uniform, to shade approved by BIAL, comprising: a) Surface preparation: plastered surfaces cured, dry (moisture ≤ 16 % by moisture meter) and free of dust, efflorescence and loose particles; minor cracks and undulations filled with exterior crack-filler / putty compatible with the paint system. b) Over PU-membrane zone: membrane to be sand-broadcast (Item 5 g-ii) and fully cured; apply one coat of OEM-recommended bonding / adhesion primer compatible with polyurethane, after a trial patch adhesion check (cross-hatch). c) Over plaster: one coat of alkali-resistant exterior primer (solvent or water based as per paint OEM). d) Finish: two coats of exterior 100 % acrylic emulsion with anti-algal / anti-fungal properties and dirt-pick-up resistance, applied by brush / roller at OEM coverage, minimum 4 hours between coats (or as per OEM). e) Protection of adjacent surfaces, glazing, granite and fixtures; cleaning on completion. Approved makes: Asian Paints (Apex Ultima) / Dulux (Weathershield) / Berger (WeatherCoat) or equivalent as per BIAL MAL. Measurement: net painted area (openings > 0.5 m² deducted). Sq. Mtr. 200.00

7 GI sheet roof cover over temporary barricade Providing, fixing and maintaining temporary GI sheet roof cover at ceiling level over the shop-front barricade (Item 3), spanning between the top of the barricade and the building soffit / shop-front header, to prevent rainwater entering the open shop fronts, comprising: • MS framing: rectangular hollow sections 60 × 40 × 2.0 mm (IS 4923) as rafters/runners at max. 1.2 m c/c, connected to the barricade frame and anchored to RCC/steel structure with 12 mm dia anchor fasteners or bolted clamps (no welding to existing structural steel without approval); one coat red-oxide/zinc-chromate primer and two coats synthetic enamel paint. • Sheeting: plain galvanised (unpainted) trapezoidal / corrugated GI profile sheet, 0.50 mm thick, zinc coating Z275 (IS 277), fixed with self-drilling screws with EPDM-bonded washers at every alternate crest on each runner. • Slope min. 1 in 10 falling outwards away from the shop front, with 75 mm drip edge projecting beyond barricade face so water discharges to the external drain side. • Side laps min. one corrugation and end laps min. 150 mm; junction with wall/soffit closed with 0.50 mm GI flashing sealed with PU sealant (ISO 11600 F 25LM); gaps at profile ends closed with foam fillers. • Maintenance during the contract period; dismantling on instruction and removal of materials from site. Measurement: plan area of roof cover; framing, flashings and laps not measured separately. Sq. Mtr. 100.00

8 Rerouting of drain pipe Dismantling the temporary drain pipe at lift headroom terrace and providing, fixing and testing uPVC rainwater pipe conforming to IS 13592 Type A, 110 mm dia (or as per drawing), with matching fittings (IS 14735), solvent-cement / rubber-ring joints, UV-stabilised or painted where exposed; including terrace outlet connection with PU membrane flashing, GI clamps with anchor fasteners at max. 1.0 m c/c, core cutting / making good, and water-tightness test. Discharge to nearest approved rainwater downtake / drain. Measurement: running length along centre line, fittings included. RMT 20.00

9 Cat ladder – headroom access Providing and fixing vertical cat ladder for access to lift headroom terrace for ventilation fan maintenance, fabricated from MS conforming to IS 2062 (E250): stiles 50 × 50 × 6 mm angle, rungs 20 mm dia solid bar at 300 mm c/c, clear width 450 mm, wall brackets at max. 1.5 m c/c providing min. 150 mm clearance behind rungs, fixed with 12 mm dia anchor fasteners; stiles extended 1.0 m above landing level as grab; safety hoops where climb height exceeds 3.0 m; entire assembly hot-dip galvanised to IS 4759 after fabrication; design and use in line with IS 3696 (Part 2). Measurement: per number, for the vertical height stated. Lot 1.00

10 Rainwater outlet grating – L1 terrace Providing, fixing and testing 150 mm dia rainwater outlet with removable SS 304 dome/flat grating at Level-1 terrace, comprising outlet body (cast iron / uPVC as approved) with membrane clamping flange/ring for integration with the PU waterproofing membrane, spigot connection to the downtake with required couplers, bends and clamps; including cutting and making good the surfaces, membrane flashing around the outlet, and leak-proof test by ponding, complete as directed by Engineer-in-Charge. No. 28.00

11 External cement plaster with waterproofing admixture Providing 18 mm thick cement plaster in two coats (12 mm base coat CM 1:4 + 6 mm finishing coat CM 1:4, sand-faced finish where exposed) on external blockwork, with integral waterproofing compound conforming to IS 2645 at OEM dosage, using OPC 43/53 grade (IS 269) and coarse sand conforming to IS 1542, including: • Hacking / raking of joints, cleaning and wetting of the surface; spatter-dash / bonding coat on RCC surfaces. • GI hexagonal chicken wire mesh (24 G, IS 3150) at all block–RCC junctions, min. 150 mm on either side, fixed with U-nails before plastering. • Groove / drip mould at soffits, sills and projections; corners and edges rounded or finished with PVC / GI corner beads. • Curing for min. 7 days; finished line and level to receive PU membrane (Item 5) / exterior paint. Measurement: net plastered area (openings > 0.5 m² deducted). Sq. Mtr. 200.00

12 Granite Flooring All Stone flooring should be adequately protected with plastic sheets, POP layer till final polishing & handing over, without any extra payment.

Providing and laying, machine cut, flamed Granite stone slabs, for flooring in approved size, shade, texture and in required design and patterns or in combination with other stone slabs, in linear as well as curvilinear portions of the building, all complete as per the architectural drawings, with 30 mm thick approved flamed granite stone slab over 20 mm (average) thick base of cement mortar 1:4 (1 cement : 4 coarse sand), laid and jointed with cement slurry and pointing with white cement slurry admixed with pigment of matching shade, including rubbing, polishing & curing.

The bottom surface & four sides of the granite stone flooring shall be pre-treated before laying with two or more coats of approved water proofing penetrating shield treatment of approved make and quality

The top surface of the granite stone flooring shall be treated with two or more coats of stain proof penetrating shield treatment of approved make and quality, on the top surface of the granite floor surface, which includes initial one dense coat during execution and subsequent one or more coats at completion stage.

The work shall be carried out as per manufacturer's recommendation including cutting, wastage, flaming to achieve the desired finish & cleaning at final stage of building work, making cut outs for services etc. complete as per drawings, specifications and as directed by the Engineer-in-Charge.

Note : I) The type, colour, shade and texture of the granite stone shall be got approved from the Engineer-in-charge prior to procurement by the contractor.

II) The samples of the granite stones shall be made available by the contractor for inspection and approval by the Engineer-in-charge at no extra cost.

III) All Stone flooring should be adequately protected with plastic sheets, POP layer till final polishing & handing over, without any extra payment.

Flamed finished granite stone slab (Sera Grey or approved equivalent), of 30mm thickness and 1200 mm x 600 mm size as approved by the Engineer-in-charge. LS 1.00

13 Shifting of rainwater downtake outside outlet Dismantling the rainwater downtake / floor outlet inside the retail outlet and relocating to the external face, with uPVC pipe IS 13592 Type A (110/160 mm dia as per design) and fittings, core cutting through slab/wall, GI clamps, connection to external drain; sealing of the abandoned opening with non-shrink cementitious grout and PU membrane patch; testing. LS 1.00

14 150 mm thick AAC block masonry Providing and constructing 150 mm thick masonry wall, up to beam bottom height, in autoclaved aerated concrete (AAC) blocks conforming to IS 2185 (Part 3), Grade 1, dry density 551–650 kg/m³, minimum average compressive strength 4.0 N/mm², nominal size 600 × 200 × 150 mm, laid in OEM polymer-modified thin-bed adhesive mortar (joint thickness 2–3 mm) applied with notched trowel, true to line, level and plumb, including: • Base: hacking of the slab and a 150 mm high M20 PCC kerb (or first course in solid concrete block to IS 2185 (Part 1)) so that AAC is kept clear of floor-level water. • RCC bands / lintels: M20, 150 mm thick with 2 nos. 8 mm dia Fe 500D bars and 6 mm dia links at 200 mm c/c, at sill and lintel levels and at mid-height where wall height exceeds 3.0 m, or as per approved drawing, including shuttering and reinforcement. • Tying to existing RCC columns / walls with 8 mm dia Fe 500D dowels chemically anchored at every third course (approx. 600 mm c/c), embedded min. 300 mm in the bed joint. • Top joint: 20–25 mm gap below soffit / beam filled with compressible filler and sealed with PU sealant (fire-rated sealant where the wall forms a fire separation) to allow for structural deflection. • Chasing for services with chase-cutting machine only and making good; curing of kerb and bands for min. 7 days; scaffolding, cutting and wastage. • Wall to receive external plaster as per Item 10 on exposed faces. Measurement: net volume of AAC masonry (openings deducted); kerb, bands and dowels not measured separately. Sq. Mtr. 60.00

15 Green wall system with irrigation & drainage Design, supply, installation, testing and commissioning of a modular vertical green wall (living wall) system on the external wall face, detailed so that no irrigation or rain water reaches the building wall, comprising: a) Waterproof backing: 10 mm thick closed-cell PVC foam board or 1.0 mm HDPE sheet fixed to the support frame with SS 304 fasteners, all joints and the perimeter sealed with PU sealant (ISO 11600 F 25LM); minimum 25 mm ventilated air gap between the backing and the building wall. The wall behind to be waterproofed / painted as per Item 5 and the exterior paint item. b) Support frame: hot-dip galvanised MS (IS 4759) SHS 40 × 40 × 2.6 mm or aluminium 6063-T6 vertical rails at max. 600 mm c/c, fixed to RCC / structure with SS 304 anchor fasteners over EPDM isolation pads. Frame design to be backed by structural calculation for the saturated weight of the system (typ. 60–100 kg/m²) and wind load as per IS 875 (Part 3). c) Planting modules: UV-stabilised HDPE / polypropylene modular planter cells (or multi-layer geotextile felt pockets), with lightweight engineered soilless growing medium (coco-peat / perlite / vermiculite blend). Modules pre-grown in nursery for min. 8–12 weeks to give ≥ 90 % plant coverage at handover. Plant species, density and pattern as approved by BIAL Design / Landscape team. d) Shop drawings, plant schedule, irrigation schematic and O&M manual to be submitted for approval before procurement. Irrigation and drainage measured under sub-items 14.1 and 14.2. Measurement: vegetated face area of green wall. Sq. Mtr. 100.00

15.1 Automatic drip irrigation system: tapping from the nearest approved water source with isolation valve and non-return valve (backflow prevention); 120-mesh disc / screen filter; pressure regulator; solenoid valve(s); 16 mm UV-stabilised LLDPE pressure-compensating drip laterals with inline emitters (approx. 2 L/h) at each tier (IS 12786 / IS 13488), flush valves at line ends; HDPE / uPVC supply pipe clamped or concealed; programmable irrigation controller with rain sensor and fertigation (venturi) provision; 230 V power from the nearest approved source; leak test, uniformity check and setting of the irrigation schedule to avoid run-off. Set 1.00

15.2 Drainage: SS 304 (1.2 mm) or powder-coated aluminium collection trough at the base of the green wall, min. 150 mm wide × 100 mm deep with 1:100 fall to outlets, removable SS mesh leaf guard, end outlets with 63 / 75 mm uPVC pipe (IS 13592) connected to the nearest storm-water drain / grating; joints sealed with PU sealant; water test. RMT 20.00

16 Granite patti up to 75 mm wide Providing and laying machine-cut granite patti (strip) up to 75 mm wide in the gap between drain grating / channel and wall, at floor edges and junctions as directed. Thickness, colour, texture and finish to match the adjacent granite flooring (Item 11: flamed Sera Grey or approved equivalent, 30 mm thick) unless otherwise directed, including: • Removal of existing loose patti, mortar or infill where present; cleaning of the bed. • Bedding in CM 1:4 (avg. 20 mm), or polymer-modified cement-based adhesive conforming to IS 15477 where bed depth is limited. • Pre-treatment of bottom and four sides with penetrating waterproofing sealer, and top surface with stain-proof penetrating sealer, as per Item 11. • Exposed edges machine-cut, eased / chamfered (approx. 3 mm) and polished; level matched to adjacent floor and grating with no lipping; fall maintained towards the drain. • Joints with adjacent flooring pointed with pigmented white-cement grout of matching shade; joint against wall / grating sealed with PU sealant (ISO 11600 F 25LM) over backer rod. • Cutting, wastage, curing, cleaning and protection till handover. Measurement: running length of strip (width up to 75 mm). RMT 20.00

17 Sealant at existing roof & roof–wall junction - Canopy adjacent to Starbucks store Sealing of the existing roof and its junction with the adjacent wall to stop water ingress – at roof sheet side / end laps, ridge, flashing and gutter joints, fastener heads, penetrations and the roof-to-wall interface – at locations identified jointly at site, including: a) Joint survey and hose test with Engineer-in-Charge to locate and mark leak points before treatment. b) Removal of old / perished sealant, mastic and loose material; cleaning by wire brush and solvent wipe; surfaces dry; exposed metal spot-primed with zinc-rich primer. c) Closed-cell polyethylene backer rod (approx. 25 % oversize) in joints wider than 6 mm, or bond-breaker tape in shallow joints; masking on both sides. d) OEM primer and single-component, low-modulus, UV-resistant polyurethane or hybrid MS-polymer sealant conforming to ISO 11600 F 25LM, width : depth approx. 2 : 1 (min. 6 mm depth), tooled to a concave profile. At the roof–wall junction, sealant to be protected by a GI counter-flashing tucked into a 10 × 10 mm wall chase where the existing detail permits. e) Defective fastener washers replaced with self-drilling screws with EPDM-bonded washers and capped with sealant. f) Hose / flood test after cure (min. 24 h) in presence of Engineer-in-Charge; any leak rectified at no extra cost. g) Work at height from approved scaffold / MEWP with lifeline and full-body harness; crawling boards on roof sheets; as per BIAL HSE. Application conditions as per OEM (see Item 5). Approved makes: Sika (Sikaflex range) / Fosroc (Nitoseal range) / Dr. Fixit or equivalent as per BIAL MAL. Measurement: running length of joint sealed (single bead). RMT 30.00

18 Gap closure – MS frame, cement board & sealant Closing and sealing of open gaps (between roof and wall, at wall terminations, structural junctions or as directed) with MS framework, fibre cement board and waterproof sealant, comprising: • Framework: MS square hollow sections 50 × 50 × 3.2 mm (IS 4923, YST 310) as perimeter frame and intermediate members at max. 600 mm c/c, fixed to RCC / steel with 10 mm dia anchor fasteners or bolted cleats at max. 600 mm c/c ( welding to existing structural steel with prior approval); welds ground smooth; one coat zinc-chromate / zinc-rich primer and two coats synthetic enamel paint. • Board: 12 mm thick high-density, autoclaved, non-asbestos fibre cement board conforming to IS 14862 (exterior grade), fixed with countersunk, corrosion-resistant self-drilling screws at max. 300 mm c/c along edges and 400 mm c/c in the field, min. 12 mm from board edges; 5–6 mm gap between boards. • Sealing: board joints and all junctions with existing construction filled with backer rod and PU sealant (ISO 11600 F 25LM) with OEM primer; top edge with drip / GI flashing where exposed to rain. • Finish: exposed face primed and finished with two coats of exterior elastomeric / acrylic waterproof coating to match the adjacent wall. • Scaffolding, cutting, wastage and making good. Measurement: face area of board; framing, sealant and flashing not measured separately. Sq. Mtr. 25.00

19 External ACP cladding on MS frame – roof edge / wall termination Providing and fixing external aluminium composite panel (ACP) cladding on MS framework to cover the roof edge (fascia / coping) and wall termination, including: a) ACP: 4 mm thick fire-retardant (FR) core ACP with fire classification B-s1,d0 (EN 13501-1) or better; aluminium skins 0.5 mm (AA 3000 / 5000 series); exposed face PVDF (min. 70 % Kynar 500) or FEVE coating, min. 25 microns, conforming to AAMA 2605; shade and make as approved by BIAL. b) Framework: MS SHS / RHS (IS 4923), typ. 50 × 50 × 3.2 mm primary and 40 × 40 × 2.6 mm secondary at max. 600 mm c/c (or as per design), fixed to structure with SS 304 anchor fasteners / brackets; hot-dip galvanised (IS 4759) or zinc-rich epoxy primer with PU top coat; isolation tape between MS and aluminium to prevent bimetallic corrosion. c) Panels fabricated as routed-and-returned cassette trays with aluminium stiffeners and fixing angles, fixed with SS rivets / screws; 10 mm joints with backer rod and neutral-cure, non-staining weatherproof silicone sealant (ASTM C920). d) Roof-edge coping sloped min. 1 : 20 towards the roof with drip on the outer face; continuous GI / aluminium flashing or waterproof underlay behind joints at wall termination; panel ends closed. e) Shop drawings and structural calculation for wind load as per IS 875 (Part 3) to be approved before fabrication; removal of protective film after installation; final cleaning. Measurement: developed (visible) face area of ACP including returns; framework, flashing and sealant not measured separately. Sq. Mtr. 45.00

20 Relocation of charged fire hydrant unit Relocation of an existing charged (live) internal hydrant unit – landing valve, first-aid hose reel, hose cabinet and associated 150 mm dia hydrant main – to the new location as per approved drawing, executed under BIAL permit-to-work in coordination with BIAL Fire & Safety and FPS O&M, including: a) Fire-system impairment procedure: impairment notice and BIAL Fire approval before isolation and before restoration; isolation of the affected zone only, with minimum downtime; fire watch and additional portable extinguishers during impairment; work in restricted / night hours as directed. b) Draining down the isolated section and safe disposal of water; capping of open ends at the end of each shift if the system is not restored. c) Hydrostatic test of new / modified pipework at 1.5 times the design working pressure (or as per project FPS specification), held for 2 hours with no pressure drop; flushing, recharging and venting; flow / pressure test at the relocated landing valve witnessed by BIAL Fire. d) Painting of new / modified pipework with primer and two coats synthetic enamel, fire red to IS 5 shade 536; flow-direction marking and signage at the new location. e) As-built drawings and updated hydrant layout. Work measured under sub-items 19.1 to 19.3.

20.1 Dismantling of the landing valve, hose reel, branch pipe, hose and cabinet; cleaning, safe storage and re-installation at the new location with new gaskets, bolts and seals; testing as per Item 19. Set 1.00

20.2 Modification / extension of 150 mm dia hydrant main in GI ERW heavy-class pipe conforming to IS 1239 (Part 1), including cutting into the drained line, grooved couplings (UL / FM) or welded flanges (IS 6392), bends, tees and reducers, MS clamps / hangers at max. 3.0 m c/c fixed with anchor fasteners, dismantling of redundant pipe and end caps. Measurement: running length of new pipe along centre line, fittings included. RMT 5.00

20.3 Core cutting through RCC slab / wall of any thickness, up to 200 mm dia, by diamond core drilling after GPR / ferro-scan to avoid reinforcement, with BIAL structural approval; bore packing around the pipe with non-shrink grout and fire-rated sealant to restore fire rating and water-tightness; sealing of the abandoned opening at the old location with non-shrink grout (and PU membrane patch where on a wet surface); making good finishes. No. 1.00

21 New rainwater downtake with floor grating Providing a new rainwater downtake at locations identified on site (e.g. L1 common area where ponding / splashing occurs), connected to the existing rainwater system, including locating the existing downtake, cutting and making good of granite / screed around the outlet, integration with the waterproofing membrane, and water-tightness / flow test, complete as per the sub-items below and as directed by Engineer-in-Charge.

21.1 Floor rainwater outlet with grating: heavy-duty removable SS 304 anti-skid square grating (approx. 150 × 150 mm, or as per drawing) set flush with the finished floor, on outlet body (cast iron / uPVC) with membrane clamping flange integrated with the PU waterproofing (detailing as per Item 5 d), with fall of floor towards the grating. No. 1.00

21.2 Core cutting through RCC slab, up to 200 mm dia, by diamond core drilling after GPR / ferro-scan, with BIAL structural approval; sealing around the pipe with non-shrink grout and PU membrane collar to keep the slab watertight. No. 1.00

21.3 HDPE rainwater pipe 110 mm dia conforming to IS 13592 Type A with fittings (IS 14735), solvent-cement / rubber-ring joints, GI clamps with anchor fasteners at max. 1.0 m c/c, routed along columns / below slab and boxed or concealed in common areas as directed, UV-stabilised or painted where exposed. Measurement: running length along centre line, fittings included. RMT 25.00

21.4 Connection to the existing rainwater downtake / system: cutting into the existing pipe, uPVC Y-junction / coupler, clean-out plug at the junction, joints sealed, and flow test. No. 2.00

Sub Total Amount 0.00

GST (On Basic + BOCW)

GENERAL NOTES 1. Rates shall be inclusive of all materials, labour, tools, plant, scaffolding, leads and lifts, wastage, testing, BIAL security/pass requirements, night/restricted-hour working in the operational terminal, protection of finishes, cleaning and taxes except GST. 2. All materials to be from BIAL Approved Make List (MAL); samples, OEM TDS, test certificates and method statements to be submitted and approved before procurement (MIR/IR procedure). 3. Waterproofing work to be executed only by OEM-certified applicators; OEM technical representative to be present at start-up; warranty as specified. 4. Relevant codes (latest revision): IS 2185 (Pt 1), IS 2645, IS 269, IS 1200 (measurement), IS 4923, IS 710 / IS 303, IS 9537, IS 732, IS 13592, IS 14735, IS 2062, IS 4759, IS 3696 (Pt 2), IS 277 / IS 15961 / IS 14246, ASTM D412 / D570 / D7234; additionally for Items 13–20: IS 2185 (Pt 3), IS 1542, IS 3150, IS 14862, IS 15477, IS 875 (Pt 3), IS 1239 (Pt 1), IS 6392, IS 5, IS 12786 / IS 13488, ISO 11600, EN 13501-1, AAMA 2605, ASTM C920, NBC 2016 (Pt 4). 5. Quantities are provisional & to be calculatede. It is to be reviewed by QS team.