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Tender For Certain Revenue And Minor Works At Masimpur Under Ge Silchar; 2 Excavation in trenchesnot exceeding 1.5m wide and not exceeding 1.5m in depth for foundations, manholes, etc. or for laying cables/pipes, erecting poles, etc. not exceeding 10sqm on plan and getting out in soft / loose soil complete all as specified and as directed 3 Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25cm deep as in any type of soil complete all as specified and as directed 4 Removing excavated materialsto a distanceexceeding 1.5Km but not exceeding 5.00km and depositing where directed at a level not exceeding 1.5m above the starting point in any type of soil including spreading in low lying area and leveling complete all as specified and as directed 5 Surface dressing not exceeding 15cm deep and getting out in soft/loose soil complete all as specified and as directed 6 Excavating in post holes (or similar holes) each not exceeding 0.5cum, returning, filling in, getting out in soft / loose soil and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm and removing surplus soil to a distance not exceeding 50m complete all as specified and as directed 7 M&L for moorum/red bajri filling in floors or pavings, laid in layers not exceeding 15cm thick, spread, levelled, rammed and consolidated to required gradient and camber with 0.2 to 0.5 ton hand roller including watering complete all as specified and as directed 8 B/R WORKS 9 M&L for dismantling rusted / damaged fencing of any size / type from any height and disposing off complete all as specified and as directed 10 Dismantling posts or struts (wood, steel or RCC) any section, including taking out embedded portion and making good disturbed ground complete all as specified and as directed 11 Dismantling mild steel work or wraught iron of any description and in any position complete all as specified and as directed 12 Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) and removal of debris complete all as specified and as directed 13 S&F bands, straps, hold fasts, wall ties, cleats, supports or stays of RWPs, ventilation pipes and similar articles of mild steel conforming to Fe-290 grade E-165 including bolts as required complete all as specified and as directed 14 S&F plates (plain or chequered) channels, square cut or notched (ordinay and counter sunk) forming holes, without any attachment of Fe 410W grade-E -250, quality B complete all as specified and as directed 15 S&F in position steel work in trusses, purlins, posts and the like using tubular/ square hollow sections including special shaped washer, etc. using ERW or induction butt welded tubes / SHS conforming to IS-1161-2014 / IS-4923-1997 grade St-240 complete all as specified and as directed 16 S&F screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed at both ends, each screwed end to be fitted with washers and one hexagonal or square nut, not exceeding 5cm in length, dia of neck & shank 11 to 15mm complete all as specified and as directed 17 M&L framed work as in steel gate frmaed and side hung including pintle hinges, stops, hand made sliding bolt monkey tsil bolts etc., complete all as specified and as directed 18 S&F mild steel angle iron posts & struts in fencing including cutting top to shape,drilling holes, notching for wire including all necessary drilling bolts or rivetting & similar works conforming to Fe-290 grade E-165 for securing chain link fencing, etc. complete all as specified and as directed 19 M&L for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed 20 M&L for mild steel TMT bars grade Fe-500D, 5mm dia and over upto 10mm dia, as in stirrups, spacers, etc. cut to length, bent to shape required including cranking, bending spirally for hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed 21 M&L for use and waste formwork to sides of concrete foundations, bases of columns, rafts, raft beams, plinth beams and similar works, vertical or to batter, for rough finished flat surfaces of concrete complete all as specified and as directed 22 M&L for formwork to sides of pillars, posts, struts, piers, columns and stanchions for rough finished surfaces complete all as specified and as directed 23 M&L for brickwork with sub-class B bricks, straight or curved on plan exceeding 6m mean radius built in CM (1:6) complete all as specified and as directed 24 M&L for brickwork with sub-class B bricks, straight or curved on plan to any radius as in half brick thick walls built in CM (1:4) complete all as specified and as directed 25 M&L for providing RCC (nominal mix) 1:1.5:3 type A1 using 20mm graded aggregates as in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns, basement slabs, under-reamed piles, mass concrete, etc. complete all as specified and as directed 26 M&L for providing RCC (nominal mix) 1:1.5:3 type A1 using 20mm graded aggregates as in columns, posts, piers, pillars, struts, etc. complete all as specified and as directed 27 M&L for 150mm thick cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregate ) as in path, hard standing, etc. surface finished even and fair including necessary formwork, etc. complete all as specified and as directed 28 M&L for plain cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregates) as in coping, benching, etc. including neccessary formwork complete all as specified and as directed 29 M&L for cement concrete 1:3:6 type C-1 (using 20mm graded stone aggregates) as in foundation, filling and mass concrete ,complete all as specified and as directed 30 M&L for plain cement concrete 1:4:8 (type D-2) using 40mm graded stone aggregate as foundation filling, mass concrete, etc. complete all as specified and as directed 31 M&L for 75mm thick plain cement concrete 1:4:8 type D-2 (using 40mm graded stone aggregates) as in sub-bases for floors, complete all as specified and as directed 32 M&L for 150mm thick plain cement concrete 1:4:8 type D-2 (using 40mm graded stone aggregates) as in sub-bases for floors, complete all as specified and as directed 33 M&L rendering 15mm thick, in cement mortar (1:4) on walls / concretesurfaces, etc. finished even and smooth without using extra cement complete all as specified and as directed 34 M&L for forming construction joint 30mm deep x 10mm wide filled with sealing compound A complete all as specified and as directed 35 Supply and lay in position on floors glass dividing strips, 3mm thick, 38mm wide, inserted in position, conforming to design as approved complete all as specified and as directed 36 M&L for laying pre-polished 60mm thick factory made chamfeed edge cement conrete paver block,made of M-35 design mix concrete of approved design and shape with the crushing strength not less than 350kg/sqcm conforming to IS: 15658-2006, made by table vibratory method using PU mould, laid over and including 50mm thick sand bedding, duly compacted with plate vibrator, laid in approved pattern / design and filling the joints with sand, including all necessary cutting, notching, etc. as requiredcomplete all as specified and as directed 37 M&L for preparing of new steel / metal surfaces of any description over 10cm in width or girth and applying two coats of synthetic enamel paint (tint as approved) over a coat of red oxide zinc chrome primer complete all as specified and as directed 38 M&L for preparing of new steel / metal surfaces of any description not exc 10cm in width or girth and applying two coats of synthetic enamel paint (tint as approved) over a coat of red oxide zinc chrome primer complete all as specified and as directed 39 M&L for preparation of new plastered surfaces and applying two or more coats of 100% premium acrylic emulsion paint having VOC less than 50gm/litre and UV resistance as per IS 15489:2004, alkali & fungus resistant, dirt resistant, exterior paint (of approved tint, company depot tinted) with silicon additives @1.43litre/10sqm over a priming coat of exterior primer applied @0.90litre/10sqm complete all as specified and as directed 40 M&L for painting lines, dashes, arrows, letters, etc. on roads, pavements and the like not exceeding 10cm wide with road marking paint, white or golden yellow complete all as specified and as directed 41 S&F pre-painted galvalume aluminum zinc coating GI based semi corrugated steel sheet 0.50mm thick of any colour (as approved) having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed 42 S&F pre-painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of any colour (as approved) having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed 43 Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provisioning of binding wire complete all as specified and as directed 44 Supply only chain link MS galvanised fencing, any size or type complete all as specified and as directedNote: Weight of chain link shall be ascertained by a BOO ordered by the GE 45 Supply only mild steel conforming to Fe-410W grade E-250 quality-A, round bars 10mm dia, cut to length, bent to shape required and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips as in tie rods to chain link fencing complete all as specified and as directed 46 S&F in repairs galvanised 2 strand, steel barbed wire 2.24mm dia, barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails, straining bolts, including securing or tying at crossings with and including provision of galvanised mild steel wire, staples or steel pins, etc. including all necessary T&P, safety measures, staging, scaffolding, etc. to work at heights over security walls, etc. complete all as specified and as directed 47 B/R WORKS 48 Supply & Erection of Galvanized steel high mast lighting system of 15 meter in two section, 3mm section thickness, top dia 150 mm bottom dia 340 mm, with 2/3 wire rope system and its accessories, 3 phase motor system for taking up/down the light fixing arrangement of the high mast controlled from the timer switch panel including suitable size of RCC foundation and anchoring with nuts and bolts and suitable for loading 06 Nos 120 watt LED lights symmetrically fitted along with their control gear and having two point suspension system with stainless steel wire rope of 6 mm dia 97/19 guage and double drum winch with luminare mountng arm, pully assembly, aviation obstruction light. Lightning arrestor spike including RCC foundation as per height compelete all as per manufacturers instructions,specified and as directed with the following details :- 49 (A) Details of High Mast System :(i) Hight of Mast:15 Mtr.(ii) No. of Sections :Two Sections(iii) Material construction: S355 grade as per BS:EN10 025 or equivalent(iv) Base dia, and top diameter (A/F): Top dia 150 mm (minium) & Bottom dia 610 mm (minimum)(v) Plate Thickness : Top 4 mmMiddle : 4mm Bottom : 6mm or higher thickness(vi) Type of Joints : Stress fit at site(vii) Length of overlap: Top: 600 mm, Bottom: 800mm (minium)(viii) Provision for cable termination : MCB Isolator(ix) Diameter of base plate: 840 mm (minium)(x) Thickness of base plate :30 mm (minium)(xi) Lightning protection finial: G.I single spike of length 1200 mm (minium)(xii) Size of opening & door at base : 1200 mm x 250 mm (minium)(xiii) Lightning protection finial: G.I single spike of length 1200 mm (minium)(xiv) PCD of foundation bolts: 700 mm (minium). 50 TheHigh mast shall be of continuously tapered, polygonal cross section, at least 20 sided, presenting a good and pleasing appearance.The mast shall be manufactured using special steel plates, conforming to BS-EN10-025.Each section shall be fabricated out of single plate duly folded and welded.There shall be only one longitudinal seam weld per section.The mast structure shall be suitable to sustain an assumed maximum reaction arising from a wind speed as per IS 875 (three second gust), and shall be measured at a height of 10 meters above ground level.The design life of the Mast shall be atleast 25 years.(B) Lantern Carriage : The Lantern Carriage shall be of special design and shall be of steel tube construction, the tubes acting as conduits for wires, with holes fully protected by grommets.The Lantern Carriage shall be so designed and fabricated to hold the required number of flood light fittings and the control gearboxes, and also have a perfect self balance.(C) WINCH:For Raising and lowering the lantern carriage for the installation and maintenance of the luminaries and lamps, a suitabe Winch arrangement shall be provided with the winch fixed at the base of the Mast and the specially designed hard frame assembly at the top.The winch shall be of completely self sustaining type, without the need for brake shoe, springs or clutches.Each driving spindle of the winch shall be positively locked when not in use, gravity activated PAWLS.Individual drum also should be operated for fine adjustment of lantern carriage. 51 Details of Winch/Power tool(i) Type/SWL of winch:Double drum, SWL 750 Kg(ii) Method of opertion : Motorized(iii) Motor capacity: 1.5 HP (minium)(iv) Torque limitor: With mechnical tripping facility(D) Head Frame : The head frame, which is to be designed, as a capping unit of the mast, shall be of welded steel construction, galvanized both internally and externally after assembly.The top pully shall be appropriate diameter, large enough to accommodate the stainless steel wire ropes and the multi-core electric cable.The pulley block shall be made of non-corrodable material, and shall be of die cast Aluminium Alloy (LM-6).(E) Stainless Steel Wire Ropes:The suspension system shall essentially be without any intermediate joint and shall consist of only non-corrodable stainless steel of AISI-316 grade.The stainless steel wire ropes shall be of 7/19 construction, the central core being of the same material.The overall diameter of the rope shall not be less than 6mm, safety of over 5 for the system at full load as per the TR-7 referred to in the beginning of this specification.The end constructions of ropes to the winch compression splices.Two continuous lengths of stainless steel wire ropes shall be used in the system and no intermediate joints are acceptable in view o the required safety.No intermediate joints/ terminations. Either bolted or else, shall be provided on the wire ropes between winch and lantern carriage. 52 Details of Stainless Steel Wire Rope:(i) Grade/construction : AISI 316,7/19 construction(ii) Number of roples:Two continuous(iii) Diameter: 6 mm (minium)(iv) Braking load capacity : 2250 kg x 2 (minium)(F) Power Tool for the Winch: A suitable, high-powered, electrically driven, internally mounted power tool, with manual over ride shall be supplied for the raising and lowering of the lantern carriage for maintenance purposes.The speed of the power tool shall be to suit the system.The power toolshall be single speed, provided with a motor of the required rating.The power tool shall be supplied complete with suitable control.The capacity and speed of the electric motor used in the power tool shall be suitable for the lifting of the design load installed on the lantern carriage.The power tool mounting shall be so designed that it will be not only self-supporting but also aligns the power tool perfectly with respect of the winch spindle during the operations.Also a handle for the manual operation of the winches in case of problems with the electrically operated tool shall be provided and shall incorporate a torque limiting device.The power tool operation shall always be through a separate torque-limiting device to protect the wire ropes from over stretching.It shall be mechancial with suitable load adjusting device.The torque limitor shall trip the load when it exceeds the adjusted limits.There shall be suitable provision for warning the operator once the load s tripped off.The torque limitor is a requirement as per the relevant standards in view of the overall safety of the system.Each mast shall have its own power tool motor. 53 (G) Aviation Obstruction Lights :Suitable Aviation Obstruction Lights of reliable design and reputed manufcturer shall be provided on top of each mast.(H) Earthing Terminals:2Nos, earth terminal using 12mm diameter stainless steel bolts shall be provided at a convenient location on the base of the Mast, for lightening and electrical earthing of the mast.Each mast shall be earthed at two points using minimum 25x6 mmGI strip.Note : The quoted rate is deemed to include the cost of aviation obstruction light, Lightening arrestor spike, required suitable size of RCC foundation for the high mast pole and 4mm GI wire for earthing connection from LA spikes at top of the pole to the earthing point. 54 Supply,install,testing and commissioning of Servo Controlled volatge stabilizer 250KVA (confirming to BIS:9815:Part-I:1994 reaffirmed 20229), operating of 3 Phase,50Hz AC supply , naturally cooled, indoor type,unbalance type,copper wound, having digital display, suitable for relay free & silent operation including first filling of oil of suitable grade recommended by OEMas per IS:335:1993 reaffirmed 2005 having following generic specification complete all as specified and as directed.(a) Input voltage 300V-480V or as per requirement(b) Output violtage stabilized at any designed/desired volatge 415V+-1% (adjustable)(c) Rated frequency 50Hz(d) No distortion in wave(e) response time not to exceed 10 mili seconds(f) Sensitivity (±)1%(g) Rate of correction 8V/seconf for single phase and 20V/seconf for phase to phase(h) No load losses less than 0.5%(j) Full load losses less than 2.5%(k) Duty cycle- continous 24x7(l) Efficiency more than 95%(m) Type of load: 3 phase, unbalance type(n) Digital display Voltmeter/Ammeter(o) Capacity :250KVA 55 Protection:(a) Overload/short circuit protections(b) High/low voltage cut off(C ) By pass arrangement in case of emergency(d) Single phase sequence change protection(e ) Ingress protection (IP) upto IP42/IP45 56 M&L for cable jointing kit for 1100V grade cable for indoor/putdoor end termination/straight throughend jointing heat shrinkable type joint with jointing material and accessories suitable for 3.5 core 120mm², XLPE insulated armoured aluminium conductor cable , complete all as specified and as directed 57 Supply, fixing, commissioning and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductors, 1100V grade 3.5 core 120sqmm laid in trenches/fixed to wall/under road/drawn through pipes etc. with copper cable glands and copper thimbles, complete all as specified and as directedNote: Excavation and earthwork will be measured and paid under respective items herein 58 Supply, fixing, commissioning and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductors, 1100V grade 4 core 16sqmm laid in trenches/fixed to wall/under road/drawn through pipes etc. with copper cable glands and copper thimbles, complete all as specified and as directedNote: Excavation and earthwork will be measured and paid under respective items herein 59 M&L for fine dry river sand cushioning by laying 8cm thick layer below the cable for making soft bed and 15cm above the cable and then punning down to its consolidated thickness of 18cm after the cable is laid all as specified in SSR Part-I complete all as specified and as directedNote: Only punned thickness of sand shall be considered for measurement purposes 60 Supply and laying burnt bricks of sub-class B designation 75 of size 230x115x75mm laid in trenches for cable protection complete all as specified and as directed 61 M&L for cutting existing roads/PCC drain for taking out UG cable and including necessary earthwork and making good to match with existing surface with PCC 1:3:6 type C1 using 20mm graded aggregates, complete all as specified and as directed. 62 S&F steel water tubing, light grade, 40mm bore, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for cable protection, etc., complete all as specified and as directed 63 Supply,install,testing and commissioning of digital 24 hr, 3 phase, street light panel having max load 6KW, Contactot rating 32A three phase,MCB rating 40Amp TPN,IP 54 protection, complete all as specified and as directed. 64 S&F 120W LED floodlight fitting, pressure die cast aluminium housing with heat resistant toughened glass, IP-66 protection having efficiency >110LPWluminaries with impact and corrosion , complete all as specified and as directed 65 M&L for earthing using copper earthing strip with copper steel earth plate electrode 600x600x3.15mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including copper strip of size 20x3mm extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 50mm medium grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications complete all as specified and as directed 66 M&L for earthing using GI earthing wire with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI earth lead wire 4mm dia extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 15mm light grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications complete all as specified and as directed 67 Notes for serial item No. 65 to 66: (i) The cost of GI earth continuity wire / strip with GI pipe 20mm medium grade upto 7.5m is deemed to be included(ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item(iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge
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