Power Transmission Corporation Of Uttarakhand Limited Tender

Providing, fixing and installation of Linear Heat Detection System for cable trenches in 220 kV switchyard at 400 kV Substation Rishikesh; UL listedwith fixed alarm temperature and trigger the alarm single at factory set temperature of 70/ 90 deg as per, 35mtrs one zone will be install complete in all respect.area of all trenchs in switchyard including switchyard to control room. • The Digital LHDC construction should be suitable for use in a harsh environment. • The Digital LHDC shall comprise of a twin core cable twisted under tension. and have a special heat reactive .polymer insulation. • The Digital LHDC shall have an overall protective sheath which is resistant to Hydrocarbons, Chemicals, and be UV resistant. • The Digital LHDC shall have a maximum conductor resistance of 100Ω/km (at 20°C). • Final installation shall ensure that the Digital LHDC is not in contact with any heat sink material which may delay the sensing process. • The Digital LHDC shall be terminated with manufacturers’ Industrial grade junction boxes. • The Digital LHDC shall have a fixed alarm temperature of 70/90 deg or and be capable of installation where intrinsically safe configurations in hazardous areas are required. • The Digital LHDC shall be UL approval and be Certified.Alarm : Technical Specifications: Temperature: 700-070 = 70°C 700-090 = 90°C 700-180 = 180°C Max Ambient Temperature: 700-070 = 45°C 700-090 = 70°C 700-180 = 150°C Min Operating Temperature: -65°C Min Installation Temp: -40°C Outer Sheath: Nylon (70°C & 90°C - Black)* Hytrel (180°C - Violet)* Stainless Steel Armour Option* UV & Chemical Resistant Voltage Rating: 150Vdc (Dielectric Test 500Vdc) Outer Diameter: (Maximum) 4.0mm ± 0.3mm Stainless Steel Armour 4.5 ± 0.3m

Providing, fixing and installation of LHDC Controller Logic module Panel DXc1/4007ES or compatible addressable fire alarm Control panel LPCB approved support up to 1-5 loop intelligent single loop addressable panel 6#40 characters ,blue liquid crystal display panel inbuilt sound 105 db operational environment 2 degree centigrate to 80 degree configuration by keyoad and PC the panel is compatible with add on feature. as per site requirment/instruction of site engineer complete in all respect. • Expandable Logic module 230 VAC input, • Data logging • AC 230 V • Relay, max. 10 A, • Maximum configuration 24DI/20DO/8AI/8AO, • Power supply AC/DC 115/230V, incl. clock, • Noise emission limit class B group 1, • Ambient temperature 0 to 55°C

Providing, fixing and installation of Manual Call Point to report the fire in case of Digital LHDC fire incident is visually reported.