82424 PROVISION OF EXTERNAL WATER SUPPLY AND ELECTRIC SUPPLY INCLUDING SOLAR STREET LIGHTS FOR ACCN OF LIVING PERSONNEL AT VELLACHI UNDER AGE I NAVY CHENNAI

Amount

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter depth and getting out in soft/ loose soil for laying UG cable/ GI Pipes/ Poles etc... complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms obtained from excavation complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified and as directed.

Supply and lay burnt clay bricks, sub class "B", Designation 75, keeping the width of the brick parallel to the length of the cable complete all as specified and directed.

Supply and spread fine river sand in trenches for cable cushioning on top and bottom of cable as specified.for cable protection complete all as specified and directed. Note: a) Only punned thickness of river sand shall be measured. b) Riddled earth, duly fullfilling the technical paramteres and confirming to IS 1255, shall be used after obtaining the approval of AGE (I).

Supply and laying in trench/ drawn in GI tubing, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric power cables with stranded aluminium conductor of cross sectional area 50 sqmm 3.5 core, 1100 volts grade, complete all as specified and directed. (Note: Earthwork, excavation, RFR and removal of surplus soil, river sand cushioning and PCC cover slab/ bricks for cable protection shall be measured and paid seperately)

Supply and laying in trench/ drawn in GI tubing, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric power cables with stranded aluminium conductor of cross sectional area 16 sqmm 4 core, 1100 volts grade, complete all as specified and directed. (Note: Earthwork, excavation, RFR and removal of surplus soil, river sand cushioning and PCC cover slab/ bricks for cable protection shall be measured and paid seperately)

a) MCCB, 4 Pole, 100 Amp, 35 KA - 01 No (Incomer) magnetic / Thermal setting - fixed, Ics = 100% Icu

b) MCCB, 4 Pole, 40 Amp, 16 KA - 12 Nos. (Outgoing) magnetic / Thermal setting - fixed, Ics = 100% Icu

Material and labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanized iron strip 32 x 6 mm as earthing lead connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 40 mm dia GI pipe light grade for protection of GI strip upto 7.5 meter long and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type C1 chamber, GI funnel, wire gauge, 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance not exceeding 50 metre, provision of charcoal and salt complete all as shown in electrical plate No 3 of SSR Part-I (2009) complete all as specified and directed. ( Note : Earth continuity conductor and GI protection pipe upto 7.5 meters shall be deemed to be included under this item)

Material and labour for providing plain cement concrete (1:2:4) type B1, using 20mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and as directed.

Supply and lay in trenches, 80 mm dia galvanised iron pipe, medium grade, as in road crossings, complete all as specified and directed.

Cutting the existing road/hardstanding (size 40 cm width and 50 cm depth) for passing pipes/ cable in trenches and making good the disturbed surface by using PCC (1:4:8) type D1 using 20mm graded aggregate at the top for a depth of 15 cm and remaining depth to be filled with excavated soil and painting with black paint, if necessary, to match with existing road, complete all as specified and directed. Note: Rates for soil filling shall be measured under relevant items of returning and filling.

Supply and fix MCCB, 4 poles, 100 Amp, 35 KA including enclosure fixing on existing feeder pillar box for taking supply point, complete all as specified and directed.

Supply and fix all in one integrated solar street light confirming to MNRE specifications for solar photovoltaic lighting system and power packs with W-LED based solar street lighting system, with 2000 Lux light output and system lumen efficacy of more than 175 lm/Watt, luminaire shall use highly efficient microcontroller based integrated MPPT charge controller, both charger and driver to be on same board with more than 90% efficiency for both charger & driver, High grade aluminum diecast housing to ensure good heat dissipation, luminaire shall have flexi mount of 0 to 15 deg to adapt to certain geography diversity, luminaire shall be with Smart self diagnosis feature and LED Indicators along with Battery charging & Deep discharging cut-off Indications, system shall use long life maintenance free Lithium ferro Phosphate (LiFePO4) battery with BIS Certification minimum 200 WH, Battery Capacity of 20 Ah for Autonomy of 24 Hrs with fully charged battery, luminaire should have hybrid feature (Integreted / Seperate) ON-OFF Switch, Outer mounting diameter of 48 - 60 mm, Operating temp range for Light Engine is 0 to +35 Deg C, Operating Humidity shall be Upto 95%, System lumen output should be atleast 12V DC, >1200lm, Solar panel module capacity of 40 Wp with crystalline silicon solar cells, Solar cell PV module efficiency not less than 16 %, LED burning hours to be 50,000 Hrs at L70.

Housing to be waterproof with rating of IP65 & IK08 to comply, UV stablized Polycarbonate front cover, Color Temprature of 5700K & CRI >70, Mandatory Certificates of LM79, LM80, BIS certification, Type test certificates for complete system to be produced, including compliance to the following standards:- a) Safety & Performance standarad Compliance of IEC60598-2-3 for road & street lights. b) IEC62109-1 for power converters used in solar panel,. c) EN50530 for MPPT performace evaluation. d) IEC 61547 for EMC Immunity. e) CISPR 15 for Radio disturbance characteristics. f) IEC 62133,IEC61960 & UL 1642 for safety of Lithium ferro phosphate battery and g) IEC61730 -1,2 & IEC61215 for safety of solar panel module. All the above to be complied & certification confirming the same needs to be produced to AGE (I) , complete all as specified and directed. MAKE: Philips, Model No. BRP710 LED20 CW MR 12V LFP AIO Solar or equivalent in BHEL/Tata/Bajaj/Halonix Technologies/Crompton Greaves/ Dhanashree electronics as approved by AGE (I)

Supply and erection of 4 Meter Octagonal poles which shall be designed as per ILE TR7 & BS5649 for structural design & as per IS875 (Part III), 1987 for dynamic loading, Pole shaft shall be made single piece MS structure continuously tapered having polygonal (8/12 sides) cross section and a single longitudinal welding, welding shall be done as per BS 5135 / IS 9595, No circumferential welding shall be allowed in the pole shaft, MS shall conform to BSEN 100025/100027 and structure shall be single hot dip galvanized as per BS 729 / IS 2629, including applying two coats of aluminium paint over a coat of primer, a suitably designed door shall be provided at approximate 700mm height from the pole base, the wiring to luminaire shall be connected through 0.5 Amps MCB, the door opening will be suitably reinforced for structural strength. The door shall be flushed with pole external surface and shall provide easy access for electrical connections at a maintainable and suitable height.

A Suitable base flange will be welded and plate reinforcements should be provided between base flange & pole, Foundation accessories will be as per IS 1367, the top dia and bottom dia of the pole shall be 70 & 130 mm respectively with a sheet thickness not less than 3mm. The base plate dimension shall be L x W x T (220 x 220 x 12 mm) and each pole shall be supplied along with 4 nos. of foundation bolts of length 450 mm with 20mm dia, the pole shall be erected using suitable PCC foundation for individual pole complete all as specified and directed. Note : PCC foundation and earthing shall be measured and paid seperately.

Material and labour for providing plain cement concrete (1:3:6) type C2, using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and as directed.

Supply and lay in trenches, 20 mm dia galvanised iron pipe, medium grade, including all fittings, complete all as specified and directed.

Supply and fix on wall/roof etc.., 20 mm dia galvanised iron pipe, medium grade, including all fittings, complete all as specified and directed.

Supply and fix stop valves, cast copper alloy, screwed down high pressure with crutch or butterfly handle, screwed both ends for iron pipe or 15 mm GI pipe all as specified and as directed.

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