Proposed Dining space at 3rd floor Terrace-southern laboratories NCBS campus GKVK Bangalore

Providing and laying flamed finish Granite stone flooring in required design and patterns of making grooves, in linear as well as curvilinear portions of the building all complete as per the architectural drawings with 18 mm thick 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, curing and polishing etc. all complete as specified and as directed by the Engineer-in-Charge Flamed finish granite stone slab Sadarahalli granite.

Providing and laying cinder concrete in cement 1:15 ( 1 cement : 15 cinder of 12.5mm nominal gauge) on terraced roof or sunken slabs, laid to slope compacting, including cost of materials, labour, curing complete as per specifications.

Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws, providing SS Rain water drain pipe with dripping chain etc.,complete as per direction of EIC. Gutter (600 mm over all girth)

Providing, supplying, and installing PPGL (Pre-Painted Galvalume Steel) structurally insulated roofing panels of approved make such as Alfa / Mount / Lloyd or equivalent, consisting of a rigid PU/PIR foam core sandwiched between two pre-painted metal sheets, manufactured in a fully automatic continuous production line using a high-pressure mixing process.The panels shall be CFC-free and non-ozone depleting, suitable for roofing applications, and shall include all necessary accessories, fasteners, and sealing materials as specified. Panels shall have tongue and groove interlocking arrangement with gaskets on longitudinal sides to ensure airtight and watertight joints. The standard width is 1.07 meters, while the length can be customized as per drawing enclosed. Complete all as per specification and as directed by EIC. Material Specifications: • Top Sheet: 0.50 mm thick PPGL (JSW Colour on Plus or equivalent) with 80–120 GSM zinc coating • Bottom Sheet: 0.35 mm thick PPGL • Finish: Pre-painted, plain / micro-ribbed • Color: Top – Off-white / Dark Grey • Bottom – Wooden shade • complete with protective film. Panel Properties: • Rigid PU or PIR Foam of Thickness: 50 mm • Effective Width: 1.07 m • Density: 40 ± 2 kg/m³ • Insulation Core: Rigid PU / PIR Foam • Thermal Conductivity: 0.022–0.024 W/m·K • Thermal Resistance: 2.1–2.3 m²·K/W • Flexural Strength: As per ASTM C203 • Compressive strength: ≥ 140 kPa • Adhesion strength: ≥ 100 kPa • Fire performance: PU – Class B2 / PIR – self-extinguishing (as per EN 13501 / ASTM E84) • Acoustic insulation: 25–30 dB • Weather resistance: UV, moisture, and heat resistant • Approximate weight: 10–11 kg/m² Installation Details: Fixing of panels using self-drilling screws with EPDM washers, including proper alignment and jointing with tongue & groove system, ensuring airtight and watertight sealing using butyl tape / PU sealant. Including necessary accessories: • Fixing with self-drilling/self-tapping screws complete with EPDM washers • Sealing of joints with butyl tape / PU sealant • Providing and fixing end caps to cover exposed edges to prevent moisture ingress and ensure a uniform finish. • Providing and fixing 50 mm C-type flashing at joints and edges to prevent water leakage and enhance aesthetics. • All necessary fittings, fixtures, sealants, scaffolding, and labour required for complete installation.

Providing and fixing rigid PVC SWR (soil, waste and rain water) drainage / rain water pipe conforming to Type-A IS: 13592, including accessories like bends and fixing with pipe clips, adhesive at joints all as per manufacturer's specifications to required length etc., complete all as per specifications and directions of Engineer-in charge. 75mm dia OD pipes with minimum wall thickness of 1.80mm

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622,of approved make, in all colours, shades, except White,Ivory, Grey, Fume Red Brown, laid on 20 mm thick bed of cement mortar 1:4 (1 Cement : 4 M sand) with necessary spacer joint, jointing with grey cement slurry @ 3.3 kg/ sq.m, including epoxy Grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix of 0.70 kg of organic coated filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg), including filling / grouting and finishing complete as per direction of Engineer-incharge. etc., complete.

Providing and fixing 20mm dia 200mm long Anchor fastner bolts with Hilti chemical Grouting (HY-200R) in RCC members as per the manufacturers specifications and as directed by EIC.

Disposal of surplus excavated earth/ moorum / building rubbish / malba / similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, for lead upto 10km for all lifts, complete all as per directions of Engineer-in-charge. Note: Item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5cum or more

Providing, supplying, and installing FRP (GRP) walkway of approved make for access between rooftop solar panels, made of pultruded/moulded FRP grating or solid-top panels of 25–30 mm thickness, using Vinyl Ester / Isophthalic Polyester resin, UV stabilized, anti-slip surface, in 300 mm nominal width (minimum 280 mm clear walking width). The item includes supply and fixing of HDG MS / SS 304 support brackets, SS 304 fasteners with neoprene washers, edge protection trims, cutting, drilling, alignment, maintaining expansion gaps, and all accessories required for complete installation as per specifications and direction of Engineer-in-Charge. Design Criteria • Nominal width: 300 mm • Clear walking width: ≥ 280 mm • Uniform load capacity: 2.0 kN/m² (minimum) • Point load capacity: 1.5 kN (minimum) • Maximum support span: 500–600 mm • Service temperature range: –10°C to +70°C • UV stability: Exterior-grade resin with UV stabilizers Materials • Walkway panels: Pultruded or moulded FRP grating / solid-top FRP panels • Thickness: 25–30 mm • Resin system: Vinyl Ester / Isophthalic Polyester • Colour: Yellow / Grey (as approved by Engineer-in-Charge) • Support brackets: Hot-dip galvanized MS / SS 304 • Fasteners: Stainless Steel (SS 304) with neoprene washers • Edge protection: FRP edge trim / rubber protection strip Mechanical Properties (Typical) • Flexural strength: ≥ 150 MPa • Flexural modulus: 10–18 GPa • Tensile strength: ≥ 120 MPa • Compressive strength: ≥ 200 MPa • Density: 1.8–2.0 g/cm³ • Slip resistance: Equivalent to R11 / R12 (anti-skid surface) Fabrication & Finish • All edges shall be machine cut, rounded, and sealed • Cutting to be done using diamond blade / abrasive cutter • Panels shall be factory pre-drilled wherever feasible • Top surface shall have integral anti-slip gritted/textured finish Installation Guidelines • Ensure alignment and level of purlins/support structure prior to installation • Panels to be fixed using SS 304 fasteners (minimum 2 per support) • Maintain expansion gap of 3–5 mm between panels • Ensure adequate slope/drainage to avoid water stagnation • Provide additional supports if required at joints

Providing and fixing rigid PVC SWR (soil, waste and rain water) drainage / rain water pipe conforming to Type-A IS: 13592, including accessories like bends and fixing with pipe clips, adhesive at joints all as per manufacturer's specifications to required length etc., complete all as per specifications and directions of Engineer-in charge. with 110mm dia OD pipes with minimum wall thickness of 2.20mm

Supplying and installaton following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with two numbers MS/GI Suspenders i/c base of suitable size MS/GI angle, bolts & nuts, painting suspenders, fastener etc as required.

Providing and fixing stainless steel ( Grade 304) Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the piping with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc. which are scope of work).

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