Repair/Maint/Replacement of U/S GI/CI Pipe line, pump sets, Panel boards, and allied works including cleaning over head reservoir at AF Stn Bihta under GE (AF) Bihta

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep in loose / soft soil and getting out for under ground cable/Pipe lines / erection of poles, stays etc complete all as directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick complete all as specified and directed.

Removing of excavated material n, exc 50 mtr away and depositing where directed at a level n, exc 1.5 mtr above the starting point complete all as specified.

M&L for laying of bricks subclass ‘B’ old size laid flat perpendicular to the direction of cable for protection of cable complete all as specified and as directed.

M&L for sand cushioning for cable with river washed sand and pinning to provide required cover as per SSR Part –I complete.

M&L for PCC 1:4:8 type D-2 using 40mm graded stone aggregate, mechanically crushed stone for mass concrete foundation and filling in pole pit etc.

M&L for PCC 1:3:6 type C-1 using 20mm graded stone aggregate mechanically crushed stone for mass filling in stay pits and pole foundation all as specified and directed.

M & L for replacement of defective/wornout XLPE insulated screened PVC bedded galvanised steel or wire armored electric power cable (heavy duty) with stranded aluminium conductor 1100 volts grade of size 16 Sqmm 4 core to be laid in existing cable trench/under road/along poles/through pipe etc including taking down complete all as specified and as directed .

All as item Ser No 8 above but for size 25 sq mm 3.5 core

All as item Ser No 8 above but for size 70 sq mm 3.5 core

Supply and fix Indoor/Outdoor type end termination jointing kit suitable for 1.1 KV grade cable complete with Jointing material heat Shrink type and connected accessories suitable for 3 ½ / 4 core XLPE, armoured, Alumunium conductor cable of size 25 to 50 sqmm,.

Supply & fixing GI tubing 80mm bore light grade, on poles, under floors, road crossing etc all as specified and as directed.

M & L for brick work with sub class 'B' brick straight or curved on plan exceeding 6m mean radious built in CM 1:4 complete for raising of existing LT panel plate form upto 0.6mtr height including taking down and refixing of panel of any size and making necessary electrical connections by providing suitable size of aluminium tube terminals complete all as specified and as directed.

M&L for cleaning of over head reservoir internally from base to top including scraping the mud silt from base and walls, washing the complete internal surfaces with bleaching powder, antibacterial sodium hypochlorite solution to inner surface with clean water ,removing the silt/mud water out side the tank and desilting from connecting pipes and applying internally one coat of lime wash to RCC walls ,base of tanks of 50000 gallons upto 30 mtrs staging complete & writing details of cleaning in prescribed format complete all as specified and as directed. Location : Pump House No 2. Note : Cleaning of reservoirs shall be carried out in between the gap of 4-5 months or as and when required/demanded by the department.

All as per item Ser No 14 above but for 75000 gallons Location : Pump House No 3

All as per item Ser No 14 above but for 5000 gallons Location : Tropo & Ops Area

M&L for preparation of new wall/ plastered surfaces and applying two coats of cement base paint on RCC over head tanks upto 25 mtr height complete all as specified and directed by Engr-in-Charge

M/L for applying two coats of synthetic enamel paint over a coat of red-oxide primer including preparation of old rusted surface of steel exc 10 cm width/grith at any height of tank and water supply vertical pipes of pumping and distribtion lines as per existing colour code and marking of Arrow for flowing of water with black/white paint complete all as specified and as directed. Note:- Painting shall be carried out with point brush/spray gun only

S & F in replacement of old unsv panel inbuilt star delta starter assembly complete suitable for 30/35HP sub mersible pumping set fixed in LT control panel of pump house including replacement of existing unsv panel wirings and accessories complete all as specified and as directed. Make : Havells/Schneider/ABB

S & F in replacement of water level indicator panel complete set showing stepwise indication of level of water with sensor suitable for 75000 Galon over head RCC tank and making electrical connections and testing complete all as specified and as directed.

S & F in replacement of damaged/unsv water level sensor with controller unit not less than 10 mtr where directed and testing upto the satisfaction of Engr-in-Charge.

S & F in replacement of unsv injector dozing pump working in 230V single phase, 50 Hz, , flow rate 0-20 Ltr/Hr, Pressure - 10 Kg/cm2 where directed including making connections with existing dozing line and testing upto the satisfaction of Engr-in-Charge. Make : Sree Rayalaseema Hi-Strength Hypo Ltd/ Ramco

S & F in replacement of old unsv agitator motor, 120W, single phase, 220 V AC, 50 Hz, 6 pole, 960 PM where directed and testing upto the satisfaction of Engr-in-Charge complete all as specified and as directed. Make : Ravi Enterprises or equivalent in RAMCO/Decli-back..

S & F in replacement of old unsv rotary switch of dozing pump (as per existing sample) and testing upto the satisfaction of Engineer in Charge

M & L for rewinding of burnt submersible pumping set of capacity 25/30HP capacity with the existing gauge of copper winding wire with same insulation including replacement of bearings complete all as per standard norms and testing upto the satisfaction of Engr in-charge. Note. Contractor shall give gurantee certificate for one year from the date of installation of motor.

Taking out old unserviceable DI/CI pipe with all fittings from trenches of following sizes all as directed :- (Note : Excavation & earth work will be measured & paid seperately under respective item ).a) 150 mm dia bore

b) 100 mm dia bore

c) 80 mm dia bore.

Supply and fixing DI pipe of 150 mm bore ISI marked, spigot and socketed type, Class K-7 centrifugally cast suitable for rubber tyton joints laid in trenches complete all as specified and as directed by Engineer-in-charge (Earth work for excess width of taking down, route change of pipe & joints shall be measured and paid separately) Make: Electro Steel/Tata/NECO/Kesoram/Rashmi Metaliks

All as per ser item No 29 here-in-before but for 100 mm bore

All as per ser item No 29 here-in-before but for 80 mm bore

Laying only DI/CI pipe new or old position in trenches where directed and testing complete all as specified :- (Note :1. Excavation & earth work will be measured & paid seperately under respective item )2. Pipe will be obtained from taking out pipe vide respective items.a) 150 mm dia bore

b) 100 mm dia bore

c) 80 mm dia bore.

M & L Bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 150mm bore for spigot socketed pipes.

M & L Bends. Tapers. Tee pieces (single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged upto 150mm bore for flanged pipes.

Taking out old unserviceable GI tubing with all fittings from trenches, walls, floors etc of following sizes all as directed :- (Note : Excavation & earth work will be measured & paid seperately under respective item ).a) 80 mm dia bore

b) 50 mm bore

c) 25 mm bore

d) 20 mm bore

S &F GI pipe medium grade with all fittings laid in trenches 80mm bore medium grade ISI B41Marked of following sizes with all fittings complete all as specified and as directed by Engineer-in-Charge. Note : GI pipe will be issued

All as per ser item No 41 here-in-before but of size 50 mm Dia

All as per ser item No 41 here-in-before but of size 25 mm Dia

All as per ser item No 41 here-in-before but of size 20 mm Dia

Laying only, testing and connecting in trenches GI pipe 80mm bore medium grade ISI Marked of following sizes with all fittings complete all as specified and as directed by Engineer-in-Charge. Note. Good condition of retrieved GI pipes under Schedule item Ser No 37 shall be re-used after through cleaning of pipes.

All as per ser item No 45 here-in-before but of size 50 mm Dia retrieved from item No 38

All as per ser item No 45 here-in-before but of size 25 mm Dia retrieved from item No 39

All as per ser item No 45 here-in-before but of size 20 mm Dia retrieved from item No 40

Cutting of existing cast iron pipe and reducing the length upto required level for insertion of new tee, branch connection or any other means etc.upto 150mm dia complete all as specified and as directed by Engineer -in-charge

All as per ser item No 49 here-in-before but for CI pipe of 100 mm bore

S & F Gun metal gate valve 50 mm ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe incl taking down old unserviceable complete all as specified and directed by Engineer-in-Charge.

All as item Ser No 51 here-in-before but of 40 mm bore

All as item Ser No 51 here-in-before but of 25 mm bore

All as item Ser No 51 here-in-before but of 20 mm bore

M&L for lead wool joints for spigot and socket pipes and fittings with all jointing materials like spun yarn etc all as specified and directed for the following sizes:- (a) 150 mm bore.

(b)100 mm bore.

(c)80 mm bore.

M&L for run lead joints for spigot and socket pipes and fittings with all jointing materials like spun yarn etc all as specified and directed for the following sizes:- (a) 150 mm bore.

(b)100 mm bore.

(c)80 mm bore.

Material & Labour for brick masonry valve pit internal size 1200mm x 1200mm x 1200mm with one brick thick wall using sub class ‘B’ brick in cement mortar 1:6 over 20cm thick PCC plate form with 15cm off sets on every side of 1:3:6 type C-1 including plastering of internal surfaces and exposed surfaces with 15mm thick plastering in cement mortar 1:4 and 50mm thick RCC cover (in two equal parts 1:2:4 type B-1 with 10mm dia TMT bars at 10cm interval on both side including necessary form work with 150mm dia hole in the center complete all as specified and as directed by Engineer-in-Charge

All as item Ser No 61 here-in-before but of size 900mm x 900mm x 900 -ditto-

All as item Ser No 61 here-in-before but of size 600mm x 600mm x 600m -ditto-

Supply and fixing butterfly valve, lever operated, pressure rating PN-1.6, water type nitrile rubber lining, suitable insertion between flange ends, 150mm nominal bore ISI marked complete with MS tail pieces double side flanged incuding welding work as per site requirement, rubber/fiber board gasket, nut & bolt, washers etc complete all as specified and directed by Engr-in-Charge Make : BIR/L&T/ZOLOTO/Ramco

All as item Ser No 64 here-in-before but of 100 mm bore

All as item Ser No 64 here-in-before but of 80 mm bore

M & L for rubber gasket (Tyton) joints suitable for 150mm bore DI pipe and fittings including jointing material complete all as specified and as directed.

S & F flanged joints complete with rubber or fiberboard gasket , nuts, washers for 150mm bore pipe fittings complete all as specified and as directed.

Description all as per ser item No 68 here-in-before but of 100 mm bore

Description all as per ser item No 68 here-in-before but of 80 mm bore

S & F in replacement of unsv/damaged gun metal globe or gate valve of following sizes with cast iron wheel head screwed both ends for iron pipe complete all as specified and as diected :- (a) 15mm dia bore

(b) 20mm bore

(c) 25mm bore

S & F in replacement of unsv/damaged 15mm bib tap cast copper alloy with crutch or butterflyhandle screwed down, screwed for iron pipe or for brass ferrule complete all as specified and as directed.

Labour only for disconnecting of unsv/defective electric connections and lifting the unserviceable pumping sets 25/30/35HP from the bore well and lowering of submersible pump sets after repairing including M&L for replacement of gaskets , suitable size of steel nuts, bolts and washers of suitable size complete all as directed by Engineer-in charge including transportation to workshop and back to site complete

M&L for strip opening of unsv pumping sets, copper winding wires of any gauge, rewinding of motor by using new PVC insulated copper wire of same gauge of submersible electric motor 3 phase 415 volts 25/30/35 HP capacity complete all as specified and directed. Note : Contractor shall give one year guarangee for winding of motor in writing to department. In case winding shall damage/burnt/ defective in any reason, contractor shall repair the same with free of cost.

S&F 3 core flat copper conductor,multistranded cable for submersible pump set of 1100 volt grade 10 sqmm size MAKE: HAVELLS Cat Pat No WHPNDSKB3010 or equivelent make and model of FINOLEX/PLAZA /Paragon

Material & labour for MS pipe heavy grade of 150mm dia with both side heavy duty MS flanged , welded, drilling of holes for tightening of nuts bolts and washers including provn. of rubber gasket of 3mm thick for each joint and making/fixing nozzle for feed chlorine in lquid form with pipe including painting with black colour suitable for drinking purpose(inner side ) & two coat of synthetic enamled paint(black) over one coat of red oxide primer (outer side) all as specified and directed by Engineer- in - Charge. MAKE: TATA /JINDAL/BANSAL”

S & F in replacement of old unsv water meter of standard size including allied/fixing accessories and making hole of suitable size at distribution line at pump house head for monitoring of total pumping of water per day complete all as speciied and as directed,

Supply & Fixing in replacement of old unsv CI Sluice valve with flanged ends of size 150 mm dia complete with gun metal or stainless steel spindle and cast iron hand wheel including rubber / fiber board gasket,nuts, washer etc including taking down old/ unservicable Sluice valve complete all as specified and as directed by Engineer-in Charge Make BVI/ Kirloskar/ Kishor/Kartar

All as item Ser No 80 but for 100mm dia

All as item Ser No 80 but for 80mm dia

S & F in replacement of damaged/unsv copper bus bar 800 Amps in existing panel as per existing size with sleeves including replacement of suitable size of steel nuts, bolts and washers etc where directed complete all as specified and as directed. (Set of three 'R' 'Y' 'B')

M&L for earthing complete with galvanized steel earth plate 600x600x6 mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised iron strip 32x6 mm dia as earthing lead by means of bolts, nuts, check-nuts, and washers of galvanised iron or steel besides welding at all joints as shown in drawings and including excavation and earth work, GI pipe light grade 40 mm bore for protection of GI strip from earth electrode to and including the earth test point of galvanised Iron/steel . supplying and laying charcoal stone aggregate) chamber and RCC cover of size 540x540x50 mm (1:2:4) type B1 using 20 mm graded crushed stone aggregate reinforced with 8 mm dia TMT bars @ 75mm C/C both ways with mild steel handle 12 mm dia, PGI funnel with wire mesh, 20 mm dia GI pipe medium grade for watering all as shown in drawing including taking out the old one. Note - Cost of GI strip and GI protection pipe up to a distance 7.5 M shall be included in quated rate of above Items.

S & F LED Decorative post top (MAPLE) for 360 degree indirect light with IP 65 protection. Cat Ref - LPTO-40-CDL/M Make : Crompton or equivalent in Havells and Bajaj.

SUPPLY ONLY PURI CHLOR (Calcium based granular disinfectant for water treatment, more stable than Chlorine Gas and stronger than Bleaching Powder and Sodium Hypochlorite) PACKING IN 45 KG. PLASTIC DRUM . Note: Contractor shall provide test certificate in original during supply of material

Supply, install, testing and commission of out door type cubical feeder pillar box outer shell made out of 3.15 mm thick MS sheet inner shell made out of 2.00 mm thick MS sheet and MS angle section 40x40x6 mm on PCC 1:2:4 type B-1 platform 45cm above the ground level and 30 cm below the ground level, frame factory fabricated with front and back open able double door system complete suitable for 3 phase 4 wire 415 Volt, 50 Hz, comprising of the following:- a) TPN, Aluminium bus bar 250 Amps insulated with colour coded heat shrinkable sleeve.b) Incoming MCCB 4 pole 200 Amps -02 Nos c) Outgoing MCCB 4 pole 160 Amps -02 Nos c) Outgoing MCCB 4 pole 100 Amps -02 Nos c) Indicator lamps RYB –01 Set d) Digital Voltmeter 0-500 volts 96 mm square flush pattern-01 No e) Digital Amp meter 0-200 Amps 96mm square flush pattern - 01 No Note :- (i) The quoted rate shall includes minor items such as lugs, nuts & bolts, washers, top insulators, sleeves, spreaders, provision of extra holes in bus bar, provision of cable gland etc. (ii) All internal wiring shall be done with suitable size (iii) The panel shall be mounted on brick wall not less than the height of 0.6m of three sides and masnory work complete all as directed incl white washing for brick work.

S & F in replacement of old unsv Building light controller of any type into for 3 phase Swadeep 66 Series of Max load 8 KW (32 Amps/Phase) Model SWADEEP-66-8KW3P) with contactor, Incoming MCB & Outgoing MCB rating of 20-25 Amps & main load circuit wiring (copper) of min size 10 Sqmm. The Automatic street light control switch using Infrared sensor based NATURE SWITCH for automatic switching of street lights. Nature switch operation should be based on natural light lux level. Required illuminance level for switching ON is ≤30 Lux and for switching OFF ≥Lux. The sensor should also have part night operation facility of minimum 4 hrs to max 12 hrs. The sensor alongwith suitable power contactor(s) and incoming and outgoing MCBs should be enclosed in a pole /wall mountable Rust Proof, Electric shock proof, Terminate proof and FR grade IP66 protection class 2 Enclosure made of thermoplastic polycorbonate and protected against weather influences. The circuit should have provision for manual operation (i,e Sensor By-Pass option). Make of panel consisting of (i) Nature switch - Kakatiya Energy System/Bajaj/Healer (ii) Contactors - BCH/L&T/Schneider (iii) MCBs - Schneider/Hager/L&T(Exora) (iv) Enclosure - Hensel, (v) Circuit wiring - Polycab/Finolex or equivalent. (vi) Contactor should confirm to IEC-60947-4-1/IS-13947-4-1 and MCBs should conform to IEC-60898/IS-8828.

S&F in replacement of unsv lead acid battery ''Genpower Genset'' battery with existing DG Set at various location of capacity 12 volt DC 100 AH including replacement of battery terminals complete all as specified and as directed. Make : Cummins/Exide Note : The battery shall have warranty of 24 months.

S & F in replacement of unsv lead acid battery ''Genpower Genset'' battery with DG Set at various location of capacity 12 volt DC 180 AH including replacement of battery terminals complete all as specified and as directed. Make : Cummins/Exide Note : The battery shall have the warranty of 24 months.

Labour only for disconnecting all electrical connections, dismantling existing LT panel of any size and shifted to location where directed and fixing on brick wall in three sides upto 0.6mtr height and making necessary electrical connections complete all as specified and as directed.

Prabir Kumar Dasgupta