REPAIR REPLACEMENT OF WATER DISTRIBUTION LINE SLUICE VALVE NRV ARV AND ATTENDING EMERGENCY BREAKDOWN TO WATER DISTRIBUTION NETWORK AT INS EKSILA, INHS KALYANI AND NSB UNDER AGE E/M NO.II OF GE (U-II) VISAKHAPATNAM

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying of cables / pipes etc and getting out in soft/loose soil. complete all as specified.

Returning, filling in including spreading levelling watering and well ramming in layers not exc 25 cm in any type of soil.all as directed by Engr-in-Charge.

Removing excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as directed.

Supply & lay in repairs & Jointing with flexible rubber gaskets push on type joints Ductile Iron pipe class K 9 ISI marked centrifugally lined with cement mortar complete in trenches of following size.

100 mm Dia

150 mm Dia

200 mm Dia

250 mm Dia

Supply & lay in repairs MS ERW pipe heavy grade for inserting in position, making leak proof joints including necessary bends and testing and painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.for following size

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Notes for Item 4 & 5 : Excavation and earth work shall be measured and paid separately

Supply & lay in repairs in floors/ on roof /on wall / trenches GI water tubing galvanised medium grade with all fittings of following sizes.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

Supply and fix gun metal gate valve with iron wheel head screwed both ends for iron pipe of following size including dismantling old one.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

Supply and fix in repairs CI sluice valves ,PN 1.6, conforming to IS -14846 Flanged end complete with iron wheel head and stainless steel spindle including flanged joints, replacement of perished nuts, bolts washers and rubber gasket etc. complete all as specified and directed. for following Sizes ,

200 mm dia

150 mm dia

100 mm dia

80 mm dia

S & F in repairs cast iron foot valve flanged ends ball type as per IS-4038 with necessary bolt and nuts etc complete all as directedof following sizes

150 mm dia

200 mm dia

Supply and replace Cast carbon steel non-return valve swing type as per BS.1868 Class -300 & flange drilling ANSI B.16.5 Class-300, with body disc & cover, CCS-SA 216 Gr WCB Body & Disc seat-ring SS-410/304, Hinge pin SS-410, Bolts & nuts SA 193/194 Gr B7/2H etc complete including replacement of perished nuts, bolts, washers and rubber gasket etc. complete all as specified and directed by Engr-in-Charge for the following sizes.

250 mm Dia

150 mm Dia

M&L replacement of unserviceable sluice valve spindle and check nut by un screwing nut and bolts, gasket stuffing box and taking upper portion of sluice valve taking out u/s spindle check nut . Cutting turning, polishing and preparing new SS spindle and check nut from the solid single SS piece of same length , dia of u/s spindle and check nut fixing the new spindle and check nut re assembling sluice valve replacement of u/s gasket nut and bolts and testing for the following bore sizes of sluice valve.

80 mm Dia

100mm Dia

150mm Dia

200mm Dia

Taking out sluice valve stuffing box and re-packing stuffing box of sluice valve including taking apart & assembling & refixing it into its original position & replacement of rubber gasket and nut & bolts for the following sizes :-

NOTE- rubber gasket, nuts, bolts and washers will be measured and paid separately

Supply only rubber gasket 3 mm thick

Supply only black bolt with hexagon head and nuts round neck with washer 3 mm thick

Dismantling old valve chamber and M&L for masonary valve chamber with internal diamensions of 1.2 x 1.2 x 1.2 M including necessary excavation and earth work in any type of soil ,100 mm thick PCC (1:4:8) type D2 foundation, brick work in CM (1:6) plastering internal sufaces completely and external surfaces upto 150 mm below ground level, 15 mm thick in CM (1:4) 50 mm thick (1:3:6) Type C1 coping, 50x50x6 mm angle iron with 5 mm thick MS sheet cover complete with handle, locking arrangement including painting steel and iron surfaces with two coats of synthetic enamel paint over a coat of zinc primer complete as directed by Engineer-in-Charge

All as per item No 15 above but of size 0.9x0.9x0.9 M (Internal dimensions)

All as per item No. 15 above but of size 600x600x600 mm (internal dimensions)

M & L for repair to valve chamber of any size as in cleaning/removing debris, mud etc along with normal repaires to its existing structure as brick work in CM (1:6), 100 mm thick PCC (1:4:8) type D2 foundation, plastering internal sufaces where required and external surfaces upto 150 mm below ground level, 15 mm thick in CM (1:4) 50 mm thick (1:3:6) Type C1 coping, complete including white washing the valve chamber. complete as directed by Engineer-in-Charge

M&L for structural steel work such as beams, angles, channels, flats etc., bent to shape and MS sheet for chamber covers including nuts, bolts and including taking down of existing steel work complete all as specified and directed by Engr-in-charge.

Disconnecting the delivery pipe line and electric connections of submersible pump set of capacity of 2 TO 7.5 HP and lifting and removing it from its position along with pipes and fittings carefully with the help of required T&P and transporting the same to the work shop for repair / servicing and lowering and refixing the same in its original position including connecting up of water and electric connections including testing and commissioning complete all as specified.

Flushing of existing borewells of size 150 mm dia 150 Mtrs depth with drilling compressor including surging and flushing the bore at a pressure of 7 Kg / Sq cm complete with compressed air and flushing the sand, mud etc from the bore well till discharge of the fresh water including testing of water samples for chemical and bacteriological tests and yield testing for 8 hours complete all as specified and directed .

M&L for rewinding the submersible motor PVC insulated copper conductor of same gauge and same number of turns as that of existing including tieing the winding and connecting the coils and bringing the connections as that of existing complete all as specified for submersible motor of upto 4 HP capacity

M&L for rewinding the submersible motor PVC insulated copper conductor of same gauge and same number of turns as that of existing including tieing the winding and connecting the coils and bringing the connections as that of existing complete all as specified for submersible motor for 5 HP to 7.5 hp capacity

Opening the submersible pump set of 2 to 7.5 HP for inspection, repairs and re-assembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surface, making the pump and motor fully serviceable including lathework etc., and testing the same for satisfactory operation on its full load all as specified and directed by Engineer - in - Charge. Note: The spares required for replacement shall be measured and paid seperately under relavent items of BOQ

Supply only the following spares for submersible pump set of 2 to 7.5 HP capacity

Thrust bearing set

Impeller

Shaft key

Stage casing

Neck ring stage casing

Sand guard

Middle sleeve

Middle bearing bush

impeller housing

Bearing bush set

Diffuser

Supply and replacement of Submercible cable of size three phase 4 sqmm all as specified and directed

M & L for dismantling of motor of following capacity pumpset from installed position after disconnecting the coupling and electrical connections, transporting the motor to the work shop, strip opening of the motor complete incl dismanlting stator, rotor assembly, cleaning the assemblies by taking out perished glass sleeve of connecting leads from common termination to terminal block, washing with carbon tetra chloride, decarbonising and cleaning the rotor with CTC solution, replacing the glass sleeve of connecting leads from common termination to terminal block, binding the loose coils with binding cloth, varnishing the coils, applyng bectol on the excitor coils, stator coils and heating, reassembling the unit, testing with megger for insualtion value and re-assembling, aligning with pump, re-inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, reconnecting the electric cable etc and check for drawing current testing, commissioning etc all as directed.

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

M & L for dismantling the pump of following capacity pump set, checking the worn out parts like impeller, shaft, stuffing box, shaft sleeve using micrometer and transporting to workshop for repairs, checking the condition of bearings, removing scales from impeller and pump housing and fixing into the housing, re-assembling, transport back to the installation, installing in position, check for alignment with dial gauge, inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, re-connecting the flanged pipe connections of suction/ delivery including replacement of rubber insertion etc., complete, all as directed by Engineer-in-Charge. NOTE :- Spares shall be measured and paid separately under relevant items of BOQ

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

Supply only Shaft bushes with check nuts (stainless steel) suitable for pumpset of capacity 250 HP

All as per above sl No 29 but suitable for pumpset of capacity 90 to 125 HP

All as per above sl No 29 but suitable for pumpset of capacity 30 to 50 HP

All as per above sl No 29 but suitable for pumpset of capacity 10 to 25 HP

All as per above sl No 29 but suitable for pumpset of capacity 5 to 7.5 HP

Supply only Ball bearings suitable for pumpset of capacity 250 HP

All as per above Sl No 34 but suitable for pumpset of capacity 90 to 125 HP

All as per above Sl No 34 but suitable for pumpset of capacity 30 to 50 HP

All as per above Sl No 34 but suitable for pumpset of capacity 10 to 25 HP

All as per above Sl No 34 but suitable for pumpset of capacity 5 to 7.5 HP

Supply only Metal Coupling suitable for pumpset of capacity 250 HP

All as per above Sl No 39 but suitable for pumpset of capacity 90 to 125 HP

All as per above Sl No 39 but suitable for pumpset of capacity 30 to 50 HP

All as per above Sl No 39 but suitable for pumpset of capacity 10 to 25 HP

All as per above Sl No 39 but suitable for pumpset of capacity 5 to 7.5 HP

Supply only Gland packing end cover (Stainless steel of suitable grade) as per existing size suitable for pumpset of capacity 250 HP

All as per above Sl No 44 but as per existing size suitable for pumpset of capacity 90 to 125 HP

All as per above Sl No 44 but as per existing size suitable for pumpset of capacity 30 to 50 HP

All as per above Sl No 44 but as per existing size suitable for pumpset of capacity 10 to 25 HP

All as per above Sl No 44 but as per existing size suitable for pumpset of capacity 5 to 7.5 HP

M&L for dismantling the defective induction motor of following capacity of any make/class of insulation from foundation bed, duly coupled with pump/ compressor, trasnporting to workshop removing burnt out winding from stator/rotor, rewinding with suitable gauge of super enamelled copper wire of approved make and replacing DE /NDE bearings, insulation materials, varnishing , heating etc., complete, re-assembling, testing and commissioning complete all as directed. Note : Terminal block, Bearings of motor if required shall be measured & paid separately under relevant items of BOQ

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

Supply only DE/NDE bearings suitable for 90 to 125 HP motor

Supply only DE/NDE bearings suitable for 30 to 50 HP motor

Supply only DE/NDE bearings suitable for 10 to 25 HP motor

Supply only DE/NDE bearings suitable for 5 to 7.5 HP motor

Supply only 3-ph motor terminal block for 90 HP to 125 HP

Supply only 3-ph motor terminal block for 30 HP to 50 HP

Supply only 3-ph motor terminal block for 10 HP to 25 HP

Supply only 3-ph motor terminal block for 5 HP to 7.5 HP

Supply only GM impeller suitable for centrifugal / mono block pumps of capacity 30 to 50 HP

Supply only CI impeller suitable for centrifugal / mono block pumps of capacity 10 to 25 HP

M & L for repairs to pump shaft of any make with necessary metal filling and machining suitable for the following capacity of pump sets

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

Repairs to Soft Starter suitable for AC 415 Volts, 50 Hz, 3 Phase motor out put of 50 HP by replaceing worn out parts and recalibrating the starter by authorised service personal. Make L&T or Schneider. complete all as specified and directed by Engr-in-Charge.Note:- Cost is inclusive of all spair parts required to make the starter serviceable.

Repairs to Soft Starter suitable for AC 415 Volts, 50 Hz, 3 Phase motor out put of 50 HP by replaceing worn out parts and recalibrating the starter by authorised service personal. Make L&T or Schneider. complete all as specified and directed by Engr-in-Charge. Note:- Cost is inclusive of all spare parts required to make the starter serviceable.

S & F in repairs ON- LOAD change over switch without enclosure, panel mounting type 415 V 50 Hz, of cap 200/250 Amps in the existing panel.

S & F in repairs ON LOAD changeover switch with Sheet metal enclosure of capacity 200/250 Amps.

Supply, laying in trenches or fixing on wall or passing through pipe or in cable ducts, XLPE insulated PVC FRLS, screened , PVC bedded and PVC tape sheathed galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of following sizes including taking out old un-serviceable cable complete all as specified and directed.

16 sqmm 4 core.

25 Sqmm 3 1/2 core

35 sqmm 3 1/2 core.

95 sqmm 3 1/2 core.

120 sqmm 3½ core.

240 sqmm 3½ core.

Note: Exacavation, earth work, sand, bricks and PCC will be measured and paid under relevant items.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 3 ½ / 4 core XLPE, armoured, Al conductor cable of size 25 to 50 sqmm,

All as per item No 66 above but of size 70 to 150 sq mm

Supply and spreading clean dry sand for cable cushioning in trenches complete all as specified and as directed. Note: Punned thickness shall only be measured and paid.

Supply and lay burnt bricks of class 'B' laid dry across in trenches for cable protection.Complete all as directed by Engr-in-Charge.

M & L for preparation of old painted steel surfaces of any description not otherwise described. Over 10 cm width or girth and applying two coats of synthetic enamel paint complete all as directed.

M & L for jungal cleaning across the pipe lines and including site clearence, cutting and cleaning of branches / bushes / plants / grass obstructing the pipe lines / valves / chambers / sumps / OHTs on either sides and water supply Installation area including disposal of materials up to a distance not exceeding 50 m complete all as specified and directed by Engr-in-Charge.

Material and labour for run lead joint for spigot and socket pipes (CI/DI) and fittings including burningout existing lead joints of following sizes. complete all as specified and directed by Engr-in-Charge.

100 MM bore

150 mm bore.

200 mm bore.

250 mm bore.

Supply and fix DI Specials (any type radius and angle) tapers any type straight increasing decreasing or double socket and ''Y junction double branch ,Collar, cross (all sockets or socket and spigot)caps and plugs upto 300 mm bore.

Servicing/maintenance of dial type water level indicator by replacing wornout central movement plate, counter weight, centre diving wheels etc., and applying two coats of synthetic enamel paint over a coat of primer complete all as specified and as directed.

M & L Earthing complete with galvanized earth plate electrode 600 x 600 x 6 mm burried directly in ground vertically to a depth of not less than 2.2M & L Earthing complete with galvanized earth plate electrode 600 x 600 x 6 mm buried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to galvanised iron strip 32x6mm dia means of nut, bolts and washers made out of galvanized iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to control board or main switch or as directed by Engineer -in-Charge including earthing pit in PCC (1:3:6) type C1 for chamber & Pre-cast RCC cover of size 380 x 380 x 40 mm with one handle made out of 8 mm dia round bar, 20 mm dia GI pipe light grade for watering funnels , wire mesh and provided charcoal or coke of alternative layers of 15 cm including necessary earth work complete.

Supply and replace MCCB 4 pole 630 Amps 50 KA adjustable type .complete all as specified and as directed by Engr-in-charge.

Supply and replace MCCB 4 pole 400 Amps 36 KA. complete all as specified and as directed by Engr-in-charge.

Supply and replace MCCB 4 pole 250 amps 16 KA. complete all as specified and as directed by Engr-in-charge.

Supply and replace MCCB 4 pole 63 amps 16 KA. complete all as specified and as directed by Engr-in-charge.

Supply and replace Contactor MNX 265 complete all as specified and directed .

Supply and replace Contactor MNX 400 complete all as specified and directed .

Supply and replace Contactor MNX 140 complete all as specified and directed .

Supply and replace Contactor MNX 110 complete all as specified and directed .

Supply and replace Contactor MNX 18 complete all as specified and directed .

Supply and replace LCD Multifunctional meter Complete all as specified and directed Make:CAT No. WC441010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

Supply and replace LED Multifunctional meter Complete all as specified and directed Make:CAT No. WL411010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

Supply and replace Indication Lamp (LED type) Set of 3 Complete all as specified and directed by Engr in-Charge.

Material and labour for PCC (1:3:6) type C1 using 20 mm graded stone aggregate as a surface hard standing/ base foundation for the pipelines including one coat of white wash and necessary form work complete all as specified. (Note:- Quoted rates is inclusive of removing the damaged PCC base foundation, levelling surface as per direction of EIC complete)

M & L for re-conditioning of battery 12/24 Volts, 90/180 AH complete including replacement of lead plate terminal and joints and charging of battery and Improve specific gravity upto 1280 and 2 volts of each cell including transportation of battery from site to civil work shop and back complete all as specified and directed by Engr-in-Charge.

Supply & replace LED Aviation light comprising of aluminium housing with Polycarbonate enclosure, including all connected accessories such as service wire, switch and socket to fix complete all as specified and directed Make: CAT No. BGAV302 LED of Baja or its equivalent in Philips/ Havells/ Surya Roshini

Supply and laying in repair PVC insulated PVC sheathed cable galvanised steel strip or wire armoured electric control cables for LED aviation light (Heavy duty) with stranded copper conductor of size 4 sq mm 2 core on any surface passing through pipe/trench/ducts/RCC pillars complete all as specified and directed by Engr-in-charge. (Note :- Rate quoted by the contractor deemed to be included the siutable size of porcelain insulator to be fixed on any surface with suitable size of fixing arrangements etc. The cable shall be run over the porcelain insulators. The porcelain insulators shall be fixed non more than 1 mtr apart from each other)

Supply and replace time lite distribution board 230 Volts single phase of 16 Amps, 3 pole along with time switch complete all as specified and directed by Engineer-in-Charge. Make:- DB CAT No TL01AB0 of Indoasian and Timer switch CAT No. TA926453 of Indoasian or its equivalent in L&T,ABB, BCH, Siemens , C&S Electric Ltd, Schneider as approved by GE.

M & L in repairs for earthing continuity aluminium strip 25 x 3 mm or main earthing lead fixed to wall with clamps or recess or croses or buried in ground or drawn in conduits/pipe or fixed to poles or any other indicated situation for loop earthing etc as required all as specified and directed by Engr-in-Charge. Note rate quoted by the contractor deemed to be included suitable size of porcelean base support for passing the earth strip.

Supply and fixing in repair test point terminal block made of gun metal or phoshoous bronze size 75x75x25mm ,drilled and screwed including 3nos 5mm dia 25mm long hex head screw.

Supply and replace, Installation, testing & commissioning of Air termination single pointed aluminium rod 12 mm dia & 300 mm long. (Note rate quoted by the contractor deemed to be included GI pipe 15 mm dia heavy grade upto 1 mtr for fixing of air termination complete with welding etc of suitable size nuts, bolts base plate etc complete all as specified and directed by Engr-in-charge.

Supply and replace Rotational moulded polyethylene water storage tanks 3 layer (cylindrical vertical with closed top) of capacity 2000 Lit hoisted and fixed in position all as specified in SSR Part 1 Note:- The rate is inclusive of hoisting into position either inside or outside of building, connecting up pipes, securing access covers etc and provision of a float valve of 25mm size complete all as specified and as directed by Engineer in charge.

All as per item No.98 above but tank capacity of 5000 Lit

All as per item No.98 above but tank capacity of 10000 Lit

Supply and fixing in replacement LED street/building security light, 60 W capacity made up of presure dia cast aluminium housing with high power LED as lighting source and lens embedded PC cover having top opening seperate driver compartment with IP 66 protection, 6500 K with min burning hour 50000 hr and 5 year manufacturer warrenty, impact resistance of IK07 with 10 KV built-in surge protection device of Make Havell's model no ENDURAPEAR LPLUSSL60WLED 757 SASYTOPC or its equvilent in bajaj/ Philips,including necessary cable for connecting to junction box and other necessary items as required on site, Complete all as specified and directed.

LAKSHMI SAI CONSTRUCTIONS

M/S SRI VENKATA BHAVANI CONSTRUCTIONS

Prasad and Suresh Constructions