84018/E8 PROVN OF AERIAL MASTS FOR ANTENNA OF TRANSMITTER AT AF STN DINJAN

Amount

SCHEDULE 'A' PART-I : BUILDING WORKS M&L Designing, Construction & Erection of Aerial Masts for Antenna of Transmitter including RCC Foundation, Anchor Bolts, Base Plates and All Structural Steel Items, etc. complete all as specified in SCHEDULE 'A' NOTES and Particular Specifications and as directed.

SCHEDULE 'A' PART-II : EARTH WORKS Lump Sum Priced worked out by the Contractor for EARTH WORKS as listed in SCHEDULE 'A' PART-II of Rs. 1,21,429.81 inserted by the MES.

SCHEDULE 'A' PART-III : ROADS, PATHS & CULVERTS Lump Sum Priced worked out by the Contractor for ROADS, PATHS & CULVERTS as listed in SCHEDULE 'A' PART-III of Rs. 6,69,676.08 inserted by the MES.

SCHEDULE 'A' PART-IV : EXTERNAL ELECTRIFICATION Lump Sum Priced worked out by the Contractor for EXTERNAL ELECTRI-FICATION as listed in SCHEDULE 'A' PART-IV of Rs. 73,995.89 inserted by the MES.

SCHEDULE 'A' PART-V : DEMOLITION & DISMANTLING Lump Sum Priced worked out by the Contractor for DEMOLITION & DISMANTLING as listed in SCHEDULE 'A' PART-V of Rs. 76,619.99 inserted by the MES.

SCHEDULE 'A' PART-VI : MISCELLANEOUS ITEMS

ROADS & CULVERTS M&L GSB 250mm thick (compacted thickness), Grade I of Table 400-1 of MORTH, IRC Specification, spreading in Layers not exc. 150mm thick, Watering, Ramming/ Rolling by Tandem Vibratory Roller and Finishing to Longitudinal Gradient 1:150 and Transverse Gradient 1:100 for achieve Field Compaction at least to 98% of MDD (Maximum Dry Density) of Soil, complete all as specified and as directed.

M&L Dry Lean Concrete (DLC) 150mm thick (compacted thickness) over a Prepared Sub-grade with Coarse and Fine Aggregates, conforming to IS:383, Sizes of Aggregates not exc. 40 mm (Grading and other Parameters as per Tabel 600-1 of MORTH, IRC SP : 49 Specification), Design Mix (Minimum Cement Content shall not be less than 250 KG PER CUM) with 7 Days Compressive Strength as 10 N/ Sq mm, mixed in Mixer Plant/ Machine, Transported to Site, laid with Manual screed including Spreading and Compacted by using 8 to 10 Tonnes Vibratory Roller including 400 micron HDPE Sheet laid over 3.50 KG PER 10 SQM Tack Coat including necessary Formwork, Fair Finishing, etc., complete all as specified and as directed.

EXTERNAL ELECRIFICATION S&F 2.0mm thick GI Hot Dip Galvanised/ Powder coated Perforated type Cable Trays of Size 450mm Width, 25mm Depth and including Cover Plate of 450mm Size, fixed to Walls/ Ceiling with and including necessary Mild Steel Flat Iron 50x5.0mm Clamps and fixing with and including suitable Size Bolts, Nuts, Washers and Saddle Clips for Laying of Cable, complete all as specified and as directed.

S&F Aviation Obstruction LED Light 230 Volt, 50 Hz, made out of Die Cast Aluminum Housing with Red Polycarbonate Dome with Integral Driver having IP-65 Protection and in-bulit 302 No. of LEDs and 50,000 Working Hours including Standard Fixing Arrangements, complete all as specified and as directed. MAKE : BAJAJ, Cat No.BGAV 302 LED or equivalent as approved by GE

Supply & Installation Lighting Air Terminal with Adoptor for Advance External Lighting Protection Air Termination, Working on Principle of ESE (Early Stremer Emission) made out of Stainless Steel body Lighting Terminal. The ESE Terminal should be configured as a Spheroid with Central Finial Top in compliance with Standard NFC 17-102 (2011) & 100 kA at 10/350 Wave Form with and including GI Mast/ Pipe 50mm dia (bore), Medium grade of 2.0 Metre Height with necessary Fixing Arrangements including welding, clamping, screwing, etc. with Level-1 Protection for upto 45.00 Metre Radius when mounted on Building/ Areal Mast at a Height of 2.0 Metre from place to be Protected with 6 No. Digital Electrochemical Lighting Event Counter in Weather Proof Resistance, complete all as specified and as directed.

S&F PVC insulated and PVC sheathed, Copper Conductor Industrial Power Cable 2.5 Sq mm, 3 Core, Round for Connections of Avaition Light Fittings on Poles/ Walls/ Pillar from Junction Box including Termination Clips, etc., complete all as specified and as directed.

Supply, Install, Commissioning & Testing Factory Made (CPRI Approved/ Tested Manufacturer) Outdoor LT Feeder Pillar Box, made out of 3.15mm thick with CRCA Steel Sheets of suitable Size (600x600x500mm minimum) for accomodating Accessories, AC 415 Volt, 50 Hz, 3 Phase, 4 Wire, Totally Enclosed, Self Supporting Structure/ Cubicle, Fully Compartmentalized type, suitable for Indoor use with Bottom Cable Entry with suitable Cable Glands, Frame and and Legs of Mild Steel Angle Iron 50x50x5.0mm, Four Legs grouted in Cement Concrete 1:2:4, Type B1 Foundation Block, providing suitable mounting Arrangement for Bus-bars, Voltmeter, Ammeter, Change Over Switch, MCCB, etc., hinged Doors at front with suitable Locking Arrangement, Feeder Pillar Box and Structure treated under 8 Tank Metal Treatment Process and duly Powder coated, complete all as specified and as directed, comprising with the the following :-

BUSBAR : (a) Aluminium Bus-bars 100 Amp, supported on Non-hygroscopic - 04 No. Fibres and Brass Screws for mounting INCOMER : (b) MCCB 40 Amp, 4 Pole, 415 Volt with Thermal magnetic release - 01 No. OUT-GOING : (c) MCB 20 Amp, SPN, 415 Volt, 10 kA Breaking capacity with - 04 No. Fixed Thermal and Fixed Magnetic setting (d) Astronomical Timer Switch 32Amp with Contactor 3 Pole, 415 - 01 No. Volt, 50 Hz for Street Light Controlling INDICATING DEVICES : (e) LED Indicating Lamp for Main Supply indicating R-Y-B - 03 No. (f) Digital Ampere Meter 0-200 Amp Display of Size 100x100mm - 01 No. with CT having CTR 63/5 (g) Digital Voltmeter 0-500 Volt, SIF 96 - 01 No.

M&L Maintenance Free Earthing complete with Earth Electrode as per IS:3043 or Latest tested for 254 micron Copper Bonded Low Carbon Steel Core 3.0 Metre long, 50mm dia with 25x3.0mm Inner Copper Strip buried directly in Ground and Tapered at the Bottom (175-200mm dia) digging or auguring of Earth to the required Depth (as Approved by Tropographic Survey Report) and filled up in Bottom with Slurry 10 KG Plain Bentonite for Moisture and then with Earthing Chemical (as per Design and Recommendation of Tropographic Survey Report) as per IS/IEC-62561-7 of Balanced Ph and less than 0.2 Ohm Resistivity Carbon based Earth Enhancing Compound in Slurry form and Quantity as per Design including providing Arrangements for Connection of Copper Strip 25x3mm to Rod connected by means of Universal Copper Ground Rod Clamp of Size 135x35x3.0mm to the Electrode, Copper Earth Strip 20x3.0mm, connected by means of Clamp, Provision of HDPE Pit Cover with minimum 5.0 KN Load capacity Chamber with Cover including necessary Excavation in any type of Soil, Returning, Filling in, Removal of Surplus Soil, Installation and Testing, complete all as specified and as directed.

NOTES : (a) Earthing System shall be designed so as to Achieve Test Result less than 1.0 Ohm depending upon the Soil conditions. (b) Copper Strip to be extended upto the Equipment and Power Room. It should be Routed on the Side Walls of the Underground Duct fixed with Ceramic/ Porcelain/ PVC Spacers and Hot Sleeves. (c) Ready Made HDPE Pit Chamber with Cover having Minimum Load capacity 5.0 KN with Connected Items. (d) Copper Strip should be 20x3.0mm and Length upto 7.5 Metre is deemed to be included in the Quoted Unit Rate. (e) The Detail Specifications and No. of Earthing Electrode in Each Earthing Pit shall be as per Tropographic Survey Report. Any Extra Cost for Universal Number of Pit as per Design will be deemed to be included in the Quoted Unit Rate.

DEDUCT/ LESS AGAINST SCHEDULE OF CREDIT

Bidders are required to Quote the EQUAL AMOUNT catered against "TOTAL AMOUNT OF CREDIT" (as per SCHEDULE OF CREDIT at SERIAL PAGE No. 48 of Tender documents) under Column 'UNIT RATE' (M) against Row 30.

Chief Builders &Consultants

M/s Anil Kumar Dutta