HVAC Services Tender Results

M&L for applying two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating on existing roof screed/plaster surface including equipment's and supervision charges in following step by (i) Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to remove all dirt, dust, chalking and waste products, complying with standard specification and as directed (ii) Inspect for cracks over roof screed, roof wall junction, water drain inlets/outlets if any, and clean and moisten them. Crack’s width should be wide up to 5-6 mm with mechanical cutting machine and Apply bond coat of SBR Latex in the ratio of 1:1 (URP 1: Cement 1) followed by groove should be filled with PMM by preparing Polymer modified mortar of CM 1:1 (Silica sand size ≤ 300microns) admixed with SBR Latex at a dosage of 15% of cement. (iii) Providing 300mm x 300 mm Square / rectangle upstand of M20 grade concrete or with PMM around mechanical equipment like HVAC, air-conditioning, solar panels. Etc. Apply a coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating allow to cure for 3-4 hours and followed by apply two coats two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating reinforced with 45 Gsm glass fiber mesh or geo textile without dilution in the interval of 4 -6 hrs. Apply Hybrid PU Sealant at around the junction of fabricated stand inserted and wall mounting mechanical fixtures.

M&L for applying two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating on existing roof screed/plaster surface including equipments and supervision charges in following step by (i) Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to remove all dirt, dust, chalking and waste products, complying with standard specification and as directed by the Engineer-in-Charge. (ii) Inspect for cracks over roof screed, roof wall junction, water drain inlets/outlets if any, and clean and moisten them. Crack’s width should be wide up to 5-6 mm with mechanical cutting machine and Apply bond coat of SBR Latex in the ratio of 1:1 (URP 1: Cement 1) followed by groove should be filled with PMM by preparing Polymer modified mortar of CM 1:1 (Silica sand size ≤ 300microns) admixed with SBR Latex at a dosage of 15% of cement. (iii) Providing 300mm x 300 mm Square / rectangle upstand of M20 grade concrete or with PMM around mechanical equipment like HVAC, airconditioning, solar panels. Etc. Apply a coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating allow to cure for 3-4 hours and followed by apply two coats two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating reinforced with 45 Gsm glass fiber mesh or geo textile without dilution in the interval of 4 -6 hrs. Apply Hybrid PU Sealant at around the junction of fabricated stand inserted and wall mounting mechanical fixtures.

Electrical and HVAC Point winning (excluding metallic switch box & sheet but including switches, sockets, lamp holders/ceiling roses etc.) with 1.5sq. mm. PVC insulated cable FRLS with copper mulli slrand conductor ISI marked in concealed rigid P.V.C. conduit (HMS) lsl marked of suitable size and 1.5sq. mm.'PVC insulated FRLS copper earth continuity conductor of green colour inside conduit, screwless connector for joints etc.as required as per specification for :- Light point/fan points. Primary short point

M&L for applying two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating on existing roof screed/plaster surface including equipments and supervision charges in following step by (i) Roof substrate must be pressure-washed with water with, a minimum working pressure of 1,400 psi is to be used to remove all dirt, dust, chalking and waste products, complying with standard specification and as directed by the Engineer-in-Charge. (ii) Inspect for cracks over roof screed, roof wall junction, water drain inlets/outlets if any, and clean and moisten them. Crack’s width should be wide up to 5-6 mm with mechanical cutting machine and Apply bond coat of SBR Latex in the ratio of 1:1 (URP 1: Cement 1) followed by groove should be filled with PMM by preparing Polymer modified mortar of CM 1:1 (Silica sand size ≤ 300microns) admixed with SBR Latex at a dosage of 15% of cement. (iii) Providing 300mm x 300 mm Square / rectangle upstand of M20 grade concrete or with PMM around mechanical equipment like HVAC, airconditioning, solar panels. Etc. Apply a coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating allow to cure for 3-4 hours and followed by apply two coats two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating reinforced with 45 Gsm glass fiber mesh or geo textile without dilution in the interval of 4 -6 hrs. Apply Hybrid PU Sealant at around the junction of fabricated stand inserted and wall mounting mechanical fixtures. (iv) Providing Minimum 50mm thick angle fillet with CM of 1:3 admixed with SBR Latex at a dosage of 12-15% of Cement and a bond coat of SBR Latex mixed with Cement at a ratio of 1:1.(v) Premix hybrid Polyurethane waterproof coating components A and B with an electric double paddle mixer stirrer for 2-3 minutes at a slow speed. The concrete surface must be brought into surface saturated dry condition (SSD). Providing and apply first coat of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating to the existing screed/plaster at a rate of 0.5Kg/sq.mt/coat. Place a 45-GSM glass fiber mesh or 200- 225 GSM raw mesh between the first and second coats while the first coat is still wet. Allow the first coat to dry for 3-4 hours. Apply the second and third coats of two component, cold(brush/roller) applied, UV resistant hybrid Polyurethane waterproof coating with the same application coverage, but in a direction perpendicular to that of the first and second coats. Allow each coat to air cure for a minimum of 3-4 hours after application. Ensure that no void surface is left untreated or uncoated. All coats should be applied in directions perpendicular to each other, ensuring the correct consumption of material, resulting in a total dry film thickness of 1000 microns with system coverage in three undiluted coats at a rate of 1.50 Kg/ sq.mt/coat. Allow the system to air cure for 5-7 days minimum. The material should conform to the specified technical properties: a) Tensile Strength with Fiber ≥9N/mm2 as per ASTM D 2370 b) Elongation at break ≥ 200% as per ASTM D 2370 c) Crack bridging ability ≥ 3mm as per EN 1062-7-2004(A) d) solid content ≥55% as per ASTM D 1,644-2001 e) Abrasion resistance 15mg confirming to ASTM D 4060 f) Shore-A 65 as per ASTM D2240 g) Tear Resistance with Fiber 40N/mm as per ASTM D 624. The waterproofing coating shall be applied over the entire horizontal surface and extended onto the vertical surface of the parapet wall, as per the manufacturer methodology as directed by GE/Engineer-in-Charge. Note: All waterproofing work suggested above shall be carried out by the in house application wing of the manufactuer or skilled waterproofing contractor under the guidance of a technical expert from the manufacturer. The technical expert should audit the quality of the waterproofing work and submit the report. The contractor should submit the skilled project waterproofer certificate issued from the manufacturer while receiving the work order.

Supply, Installation, Testing & Commissioning of Technical cum Functional Specification for D-LED Video Wall Display SystemS.No. Parameter Technical Specification1 Screen Size Display shall be 55”, providing a large-format viewing surface suitable for multi-panel videowalls in ICCC.2 Panel Technology IPS panel ensures wide viewing angles and uniform color reproduction across all videowall panels.3 Backlight Type ADS D-LED backlight provides high brightness with low heat output for continuous 24×7 operation.4 Matrix & Bezel-to-Bezel The proposed solution shall consist of a 3x2 videowall configuration comprising six (6) professional-grade display panels. Each panel shall have an ultra-narrow bezel width of 0.44 mm per side, resulting in a maximum 0.88 mm bezel-to-bezel gap between adjacent displays to ensure near-seamless visual continuity across the complete videowall matrix.5 Native Resolution Full HD 3840×2160 ensures crisp monitoring visuals for surveillance content.6 Optional 4K Support Display must accept 3840×2160 input, allowing integration with 4K controllers/matrices.7 Brightness (Min) Minimum 400 cd/m² brightness ensures visibility in high-ambient-light environments.8 Brightness (Typical) Typical brightness 500 cd/m² provides enhanced clarity for control room usage.9 Contrast Ratio 1100:1 contrast ratio enables better differentiation of details in surveillance footage.10 Aspect Ratio 16:9 ratio ensures compatibility with standard video and CCTV feed formats. 11 Refresh Rate 30/60 Hz refresh ensures flicker-free operation suitable for long-duration monitoring. 12 Response Time 8 ms response time reduces ghosting during fast-motion video playback.13 Operation Hours 24×7 reliability ensures the panel is suitable for mission-critical command center applications.14 Panel Lifespan Minimum lifespan of 120,000 hours guarantees long-term deployment without degradation. 15 Pixel Pitch 0.63 mm × 0.63 mm pixel pitch ensures high pixel density for close-distance viewing clarity.16 Viewing Angle (H) 178° horizontal viewing angle allows operators to view consistent images from any seat.17 Viewing Angle (V) 178° vertical viewing angle ensures upper/lower rows of videowall remain visible without color shift. 18 Active View Area 1209.63×680.4 mm usable area supports uniform grid alignment for videowall structures.19 Color Gamut 72% NTSC coverage ensures accurate color representation for surveillance and visualization tasks.20 Display Colors Support for 16.7 million colors delivers lifelike and detailed imagery. 21 HDMI Inputs Equipment must have 2× HDMI 2.0 inputs for Full HD/4K high-bandwidth signal ingestion.22 DP Inputs 2× DP 1.2 inputs allow daisy-chain and high-resolution videowall cascading.23 DP Output 1× DP 1.2 output enables panel-to-panel daisy chaining for videowall formations.24 USB Port 1× USB interface supports firmware updates and maintenance.25 IR Input IR interface via RS-232 allows remote control management of panels in videowall setups.26 RS232-IN RS-232 IN port (RJ-45) allows command daisy chain from controller to panel.27 RS232-OUT RS-232 OUT port (RJ-45) propagates control commands to the next panel in chain.28 Power Input Supports AC 100–240V, enabling deployment in varying field electrical conditions.29 Power Consumption Panel consumes 220W ensuring energy-efficient operation in large videowalls.30 Standby Power 0.5W standby ensures minimal consumption when not active.31 Operating Temperature Operational range –10°C to +45°C allows installation in controlled environments with HVAC.32 Operating Humidity 10–90% RH (non-condensing) ensures reliability across varied environmental conditions.33 Cooling System Fanless design minimizes noise and reduces points of mechanical failure.34 Housing Type Industrial-grade metal housing provides durability and structural stability for videowalls.35 Bezel Compensation Support Must support software/hardware bezel compensation via controller for seamless visual output.36 Color Calibration Panel must support uniform color calibration across multiple displays for consistent videowall output. 37 Control Room Suitability Must be designed for continuous control room operations without image retention issues.38 Mounting Compatibility Must support VESA or OEM-specific videowall mounting brackets for structural alignment.39 OEM PQ OEM shall hold valid ISO 9001, ISO 14001, ISO/IEC 20000-1, ISO/IEC 27001, ISO 45001, CMMI Level 3 or higher (where software is involved). The OEM shall be registered with the Central Pollution Control Board (CPCB), Government of India, under the E-Waste (Management) Rules, 2016 (as amended) and the Plastic Waste Management Rules, 2016 (as amended). Valid CPCB registration certificates covering the offered product category shall be submitted as part of the bid. Offered product shall comply with BIS, CE, FCC and RoHS.Technical cum Functional Specification for Video Wall Controller (4K FPGA / Server-Based) S.No. Parameter Technical Specification. 1 Controller Type Professional 8×8 modular videowall controller supporting multi-format input/output cards for command centers.2 Chassis Size Controller shall be housed in a 2/4U modular chassis with hot-swappable card slots.3 Max Input Capacity System shall support up to 8 inputs using interchangeable I/O cards.4 Max Output Capacity System shall support up to 8 outputs, scalable per slot configuration.5 Redundant Power Supply Controller shall include dual redundant swappable power supplies for 24×7 availability.6 DVI-U Input Card DVI-U input card shall provide 2 × DVI-I ports, supporting 1920×1080 @ 60Hz.7 HDMI Input Card HDMI 2.0 input card shall provide 2 × HDMI ports, supporting 4K @ 60Hz (4:4:4).8 SDI Input Card SDI input card shall include 2 × 3G-SDI BNC ports supporting 1080p @ 60Hz.9 HDBaseT Input Card HDBaseT input card shall include 2 × RJ45 ports, supporting 4K @ 60Hz signal reception.10 Fiber Input Card Fiber input card shall include 2 × LC (single-mode) ports, supporting 4K @ 60Hz up to 20 km.11 DVI-U Output Card DVI-U output card shall include 2 × DVI-I ports, supporting 1920×1080 @ 60Hz.12 HDMI Output Card HDMI 2.0 output card shall include 2 × HDMI ports, supporting 4K @ 60Hz (4:4:4).13 SDI Output Card SDI output card shall include 2 × 3G-SDI BNC outputs, supporting 1080p @ 60Hz. 14 HDBaseT Output Card HDBaseT output card shall include 2 × RJ45 outputs, supporting 4K @ 60Hz transmission.15 Fiber Output Card Fiber output card shall include 2 × LC (single-mode) outputs, supporting 4K @ 60Hz up to 20 km.16 Seamless Switching Controller shall support seamless switching (1 ms) between input sources without black screens.17 Gen-Lock Synchronization System shall support Gen-lock (0.1 ms) for perfect frame synchronization across videowall tiles. 18 Video Scaling Engine Controller shall support Bilinear, Bicubic, and Lanczos scaling algorithms for high-quality pixel rendering.19 Aspect Ratio Conversion System shall support multiple aspect ratio modes including stretch, crop, fit, and custom scaling.20 Bezel Compensation Controller shall support 0–200 pixel bezel compensation for accurate videowall alignment.21 Multi-Window Layouts Controller shall support customizable multi-window layouts across any combination of displays. 22 Real-Time Processing Hardware-based architecture shall ensure zero-latency real-time video processing.23 Control Interface System shall support IP control (Web GUI), RS-232 and API for ICCC integration and automation.24 Reliability Controller shall be designed for 24×7 mission-critical operations in command centers.25 OEM PQ OEM shall hold valid ISO 9001, ISO 14001, ISO/IEC 20000-1, ISO/IEC 27001, ISO 45001, CMMI Level 3 or higher (where software is involved). The OEM shall be registered with the Central Pollution Control Board (CPCB), Government of India, under the E-Waste (Management) Rules, 2016 (as amended) and the Plastic Waste Management Rules, 2016 (as amended). Valid CPCB registration certificates covering the offered product category shall be submitted as part of the bid. Offered product shall comply with BIS, CE, FCC and RoHS.Technical cum Functional Specification for Video Wall Mounting Structure (Push-Pull)S.No. Parameter Technical Specification. 1 Product Type Professional-grade videowall wall-mount bracket suitable for tiled display installations.2 Application Designed for ICCC, Command & Control Rooms, NOCs and surveillance videowalls.3 Mount Type Fixed wall-mount type suitable for single display module in multi-screen videowall.4 Material Constructed from high-strength cold rolled steel (CRCA) for rigidity and durability.5 Steel Thickness Wall plate thickness ≥ 2.0 mm and bracket arm thickness ≥ 2.5 mm.6 Surface Finish Electrostatic powder-coated finish for corrosion and rust protection.7 Color Fine texture black finish suitable for professional environments.8 Screen Size Support Compatible with displays 55", 9 VESA Compatibility Supports 200×200, 300×300, 400×200, 400×400, 600×400 mm VESA patterns. 10 Load Capacity Minimum 45 kg per screen load-bearing capacity with safety margin. 11 Strength Validation Mount shall be factory strength-tested up to 4× rated load. 12 Alignment Adjustment Provides ±3° screen leveling adjustment for precise videowall alignment.13 Depth/Profile Adjustable wall offset/profile ranging approx. 68 mm to 215 mm.14 Anti-Theft Feature Integrated anti-theft locking provision to prevent unauthorized removal.15 Installation Surface Suitable for installation on solid RCC / concrete / brick walls only.16 Modular Design Supports modular videowall layout enabling seamless multi-screen alignment.17 Stability Ensures vibration-free, sag-free, rigid mounting for 24×7 operation.18 Cable Clearance Provides adequate rear clearance for power and signal cable routing. OEM Certifications :Video Wall Manufacturer must have valid certifications for Quality Management System, Environmental Management System, Information Security Management System, and CMMI (Level 5), Manufacturing facility of OEM must be audited/verified/assessed by government-recognized Third Party Inspection Agency (TPIA). Valid TPIA documents to be submitted before the approval.