NIT No. 2072-2122

Amount

Schedule A1 -Pumping Machinery and Electrical works

Supply of star rated enrgy efficient submersible pumping set of KSB/Calama/ Johnston/ Crompton/BS/ SABAR/ Oswal/ Kirloskar/WPIL make conforming to latest relevant BIS Code 8034:1976. The pump should be fitted with bronze impeller or suitable alloys suitable for handling Clear water having greased packed bearings and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP & 2900 rpm of reputed make conforming to BIS 9283-1979 latest with upto date amendments, totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guards, erection clamps , cable clips, depth gauge NRV & Sluice valves of approved class etc. The work should be completed to the entire satisfaction of the Engineer-in – Charge. The rates shall be for complete Job to run the machinery in proper working. and should meet with the requirements. (Ist stage). The cost of stepdown transformer alongwith all its accessories such as cables, panels etc. shall be part of the offer including standby arrangement, the rate shall be quoted with per set rate of pumping machinery. The HP are indicative.Since the re-survey and re-design of proposal/scheme is to be carried out by the lowest bidder, the design/drawings so approved by the competent authority after finalisation of design and drawings,any variation in HP and other accessories etc.The rate shall be worked out on prorata basis after approval of the competent authority and payment will be made accordingly. For detailed design parameters/ requirements are given in (Refer Technical specification & Data sheet No. 1)

Booster stage:- 4 sets (2 working & 2 standbye)

PW1 to Sump (7.65 LPS with Head of 40.23 m - 2 sets

PW2 to Sump (7.65 LPS with Head of 41.63 m - 2 sets

PUMPING MACHINERY CENTRIFUGAL:- Supply ,Installation ,Testing & Commissioning of star rated enrgy efficient horizontal spindle, horizontal/ radial split casing/end suctions (back pull out arrangement)single/double/multistage centrifugal pump suitable for operation, in parallel of recommended make such as Mather and platt/KSB/Kirloskar/Jyoti /Beaconweir BS&BE, ABB/CGL confirming to BIS-1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze/Bronze with 2.5% Nickel impellers, dia of 405mm priming funnels, casing ring and shaft sleeves of bronze/ steel, shaft of SS:410/AIS 1431 Chrom in plated with cast iron casing coupled directly through a flexible coupling on a Common MS base plate to squirrel cage screen protected drip proof induction motor, totally enclosed fan cooled motors/CACA motors of standard make such asKirloskar/BHEL/ Crompton/NGEF/GEC/Siemens/ Jyoti/Area Brown Boven and suitable for operation on 11 KV HT, 50 cycles/second 3 phase AC electric supply. The power of electric motor/motors should be at least (+) 10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-)15% of the duty point head. The motor/motors should be as per IS: 325-1978 with upto date amendments read with IS:900-1972. The starting current of the motor shall be limited to not more than 4.5 to 5 times of full load current.

The motor shall be suitable of running at 415 volt+ - 15 volt atleast. It should include cost of bearing nuts, bolts and painting etc and should meet the following requirement (as per data sheet No. 13) including Pump sets (working + standby), All electrical equipments such as Starter, ICTP switches, MCB, Bush bar chamber, MCB, Panel board indicating lamps, Ammeter, Voltmeter, Hour run meter should be of electronic type , incoming and outgoing water proof cable for panel board, Double loop earthing, copper cable pressure gauge, capacitor, common header, sluice valve, NRV including erection and testing complete necessary piping for suction and common header and control valves alongwith electrical works including all taxes, insurance, transportation, freight charges, inspection charges, loading, unloading, conveyance to Departmental stores/ site, stacking, etc. including specials and wastage etc.; complete as per Tender Specifications and instruction of Engineer in charge. The cost of stepdown transformer alongwith all its accessories such as cables, panels etc. shall be part of the offer including standby arrangement, the rate shall be quoted with per set rate of pumping machinery. The HP are indicative.Since the re-survey and re-design of proposal/scheme is to be carried out by the lowest bidder, the design/drawings so approved by the competent authority after finalisation of design and drawings,any variation in HP and other accessories etc.The rate shall be worked out on prorata basis after approval of the competent authority and payment will be made accordingly (Refer -Technical specification & Data sheet No. 2)

PH-1,Kohla to Sump well -2 Kashmir) - 3 sets (2 working & 1 standbye) of 7.66 LPS each with total Head 423.28 m.

PH-2 Kashmir to MBR-Naraintal) - 3 sets (2 working & 1 standbye) of 7.66 LPS each with total Head 354.97 m.

Schedule A2 - Rising Main

Excavation in foundation, trenches (for pipes & pits) upto all depths in all classification of earth work such as pick work, jumper work, saturated soil including bailing and pumping out water, blasting soft/ hard rock or chieselling soft/hard rock where blasting is prohibited in all lifts including trimming and dressing of sides, leveling of beds to correct grade i/c shoring /strutting , planking, timbering & dewatering wherever required, stacking the useable & unuseable material /soil separately & after laying jointing & testing of pipes, returning the useable soil in trenches in 15 cm layers including consolidating of such deposoited layer by ramming & watering & then disposing of all surplus excavated soil /unusable material as directed with in all leads & lifts including restoration unmetalled surfaces to its original condition & including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects with in all leads & lifts as per directions of Engineer-in-charge.

Providing, laying, fixing, jointing and testing in trenches of GMS conforming to IS 1239-2001 ( latest uptodate ammendments) / Galvanized MSERW conforming to IS/ISO:3183-2012 with steel grade L-290 or X-42 flanged/butt welded pipes including cost of flanged bends of all degrees having wall thickness as specified below with plain end and capable of withstanding required test pressure in random length of 4 to 7 meters, including specials, short pieces, bends, reducers, tees etc. made from parent tube.The M.S. flanges are to be provided 5% of total joints and remaining 95% joints with butt welded joints as detailed below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to date amendments) duly welded in three layers (one inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes confirming to BIS 1364 (with upto date ammendments). 3mm thick compressed asbestos fiber/synthetic rubber gaskets confirming to relevant BIS standards. The laying of pipe shall include all operation such as cutting, welding, jointing, providing & fixing of MS flanges, fabrication of bends, tees,valves etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per IS:4736 -1986 (with upto date ammendments) with mass of zink coating not less than 400 gm/m2. The welding electrodes shall be as per IS 814:2004 of Advani Oerlikon/ L&T or ISI marked make. Negative tolerance in thickness and mass/weight will not be accepted. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer in charge with in all leads and lifts. (Earth work in trenches ,M.S flanges & Butt welded joints shall be measured and paid for separately).

PW1& PW2 to Sump well at Kohla Booster stage : 100mm dia GMS Pipe (Heavy Class) as per IS 1239-2001 ( latest uptodate ammendments) Flange table 5 Total length (390+410)=800 Rmt.

Rising main Kohla to Kashmir Ist stage : 150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 0/0 to RD 2000 WT 5.60 mm from

150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 2000 to RD 4700 WT 5.20 mm

150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 4700 to RD 24000 WT 4.80 mm

Rising main Kashmir to Naraintal 2nd stage : 150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 0/0 to RD 11500 WT 4.80 mm

Providing welding and fixing of M.S. flanges @ 5% of joints, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments) and welding of MS flanges with GMS/GMSERW pipes in two layers on both faces i.e two layer on outer faces and one layer on inner faces to make the joint leak proof (The cost of proving and layer of GMSERW pipes to be measured and paid for separtely). The welding of flanges shoild conform to IS 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364, the thicthness of gasket not less than 3.00 mm conforming to IS 2712-1998. The work shall be done as per entire satisfactio of engineer in charge with in all leads and lifts.

PW1& PW2 to Sump well at Kohla Booster stage : 100mm dia Flange table 5 .

Rising main Kohla to Kashmir Ist stage & Kashmir to Narain Tal 2nd stage : 150 mm Dia table 34

150 mm Dia table 28

150 mm Dia table 17

150 mm Dia table 5

Providing circumferential butt welded joints by electrical arc welding to below mentioned dia and wall thickness GMSERW pipe welded in three number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS: 816-1969 specifications, by using welding electrodes of 2.5 mm to 6.3 mm of Advani Oerlikon (Adore)-CITOJET/ES/ESAB make, conforming to IS 814-1991 including Die pentration test, at site of work complete in all respects, including manual/machanical handling of pipe in all leads and lifts, including DPT and coating of two coats of anticorrosive bituminous paint to the entire satisfaction of Engineer in charge.

PW1& PW2 to Sump well at Kohla Booster stage : 100mm dia

Rising main Kohla to Kashmir Ist stage : GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 0/0 to RD 2000 WT 5.60 mm

150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 2000 to RD 4700 WT 5.20 mm

150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 4700 to RD 24000 WT 4.80 mm

Rising main Kashmir to Naraintal 2nd stage : 150 mm Dia GMSERW Pipe IS/ISO:3183-2012 grade with steel grade L-290 or X-42 RD 0/0 to RD 11500 WT 4.80 mm

Providing and fixing double flanged cast steel non return valve of following dia of Kirloskar/Leader/ Sachdeva/R.G & other approved make conforming to BS:1868 / API-600 various class including campanion sheet gasket 3mm thick with MS flanges of table-28 as per IS 6392-1971 i/c welding of M.S. flanges in two layers on both faces to make the joint leak proof and capable of with standing of nominal seat pressure of 52.00 Kg/cm2 with upto date amendments i/c carriage in all leads & lifts & complete in all respect a as per direction and to the entire satisfaction of Engineer-in-Charge.

150 mm dia class ASA-300

Providing and fixing double air valve (Isolating type) Double orifice with rubber ball 25 mm dia dia of Bir/ Kartar/ Leader or any other approved make confirming to BIS:14845 with upto date amendments in rising mains with upto date amendments as per direction and to the entire satisfaction of Engineer-in-Charge.

25 mm dia

Schedule A3 -Remote Monitoring (Automation)

Providing automation with online water quantity and quality monitoring at Narayantaal including automation from booster stage to delivery tanks with operation of all pumping machinery. The cost of actuators and its automation accessories for valves shall be included in the cost of automation. The cost of valve shall remain with the cost of respective items: a.) Flow meters (Full bore electromagnetic type of krohne Marshall /ABB/ Siement/ Emerson/Endress Make) b.) Level transmitters with all accessories. c.) Automation with compatible to work on GSM/Broad band/GPRS communication system. d.) Wireless telemetry. e.) PLC & SCADA Software f.) Online water quality monitoring at Narayantaal for 5 Parameters. i.e. Chlorine, TDS, PH Value, DO, Alkalinity. (Refer Technical specification & Data sheet No. 3)

Schedule A4 - Thurst Block

Thrust Blocks:- Construction of Thrust Block for Rising main 1st & 2nd stage of requried sizes

Excavation in foundations,trenches etc., in earth work, lift upto 1.50 mts. Stacking the excavated soil not more than 3 mts. Clear from the edge of the excavation & then returning the stacked soil in 15 cms. Layers,when required into plinths sides of foundation etc.,consolidating each deposited layers by ramming & watering & then disposing of all surplus excavated earth as dierected within all leads & lifts as per entire satisfaction of Engineer in charge.

Providing & laying cement concrete 1:4:8 (1cement : 4 sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring & shuttering in Foundation & plinth.

Providing form work with steel plates 3.15 mm thick welded with angle iron in frame 30x30x5mm,so as to give a fair finish i/c centring shuttering,strutting & propping etc. with wooden battens & ballies,ht. of propping & centring below supporting floor to ceiling not exceeding 4.00 mts. & removal of the same for in situ-reinforced concrete & plain concrete work :-

Vertical surfaces such as wall (any thick.) partitions & the like i/c attached pillasters, buttresses, plinth & string courses & the like.

Providing & laying cement concrete 1:2:4 (1cement :2 sand : 4 graded stone aggregate 20 mm nominal size) & curing complete excluding the cost of form work & reinforcement for reinforced concrete work in :-

Foundation,footing,bases of columns and the like & mass concrete.

Providing Tor steel reinforcement for RCC work i/c bending,binding & placing complete upto floor two level.

Dogra Construction Company Pvt Ltd

HARJEET SINGH