Improvement of LIS Gawahi in G.P Kohbag Tehsil and Distt Shimla HP. (SH- C/O Feeder channel, protection work/Retaining wall, Repair of pump house, replacement of rising main and pumping machinery

Amount

Excavation in foundation, trenches,etc. in earth work in all kinds of soil such as pick work,jumper work,blasting work, hard blasting and chiselling etc. stacking the excavated soil not more than 3 mtrs.clear from the edge of excavation and then returning the stacked soil in 15cm.layers when required into plinths sides of foundations etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed within all leads and lifts.

Excavation in drains and channels etc. in earth work for pipes upto all depth in all classification of earth work such as pick work, jumper work, saturated soil including balling or pumping out water, blasting soft/ hard rock or chiselling soft/hard rock where blasting is prohibited in all lifts including jungle clearance wherever required, trimming and dressing of sides, levelling of beds to correct grade including shoring/ struting, planking, timbering and dewatering wherever required stacking the useable/unusable material/ soil separately and after laying and joining and testing of pipes, returning the useable soil in trenches in 15cm. layer including consolidating of such deposited layer by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for acess to houses, fencing etc.complete in all respect within all leads and lifts as per direction of the Engineer-in-charge.

Cement concrete lining 15cm. thick or less for irrigation channels, using cement concrete 1:3:6.

Hand mixed concrete lining in bed.

Hand mixed concrete lining on side slopes.

Extra allowances for form work in concrete lining:-

Side slopes.

Dressing of side slope and preparation of sub grade for lining work in : Pick work.

Dressing of Bed and preparation of sub grade for lining work in :- Pick work.

Providing and laying cement concrete 1:5:10(1cement:5sand:10 graded stone agg. 40mm nominal size)with 15% plum concrete and curing complete excluding cost of form work in retaining wall/breast wall,the size of plums shall usually be 150mm to 300mm.as per HPPWD specifications within all leads and as per the direction of the Engineer-in-charge.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering, strutting , strutting and propping etc. with wooden, battens, and ballies, height of propping and centring below supporting floor to ceiling not exceeding 3 mtrs.and removal of the same for insitu reinforced concrete and plain concrete work in complete in all respect in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Vertical surfaces such as circular walls (any thickness) ,partitions and the like including attached pillasters,buttresses, plinth and string courses and the like.

Providing wood work in frames of doors, windows clerestory windows and other frames wrought framed and fixed in position:-

2nd class deodar wood.

P/roviding and fixing of panelled glazed or panelled and glazed shutters for doors, windows and clerestory windows including black enamelled iron butt hinges with necessary screws complete in all respect as per the direction of the Engineer-in-charge i/c all leads and lifts.

40mm thick deodar wood 2nd class.

20mm cement plaster in single coats,on rough side of bricks/stone walls for interior plastering upto floor two level including arrises internal rounded angles, chamfers, and/or rounded angles not exceeding 80mm in girth and finished even and smooth:-a)In cement mortar 1:6 (1cement:6sand ) including all leads and lifts.

6mm cement plaster to ceiling:-a) In Cement mortar 1:3(1cement:3sand).

Cement concrete flooring 1:2:4(1cement:2sand:4graded stone agg.20mm nominal size) laid in one layer finished with a floating coat of neat cement:-a) 40mm thick.

Providing plinth protection 50mm thick in cement concrete 1:3:6(1 cement :3sand:6 graded stone aggregate 20mm nominal size) including finishing the top surface of concrete smooth including all leads and lifts.

Applying priming coat over new wood and other wood based surfaces after and including preparing the surface by thoroughly cleaning oil grease dirt and other foreign matter including all leads and lifts.

With ready mixed paint brushing wood primer pink.

Painting two coats (excluding priming coat) on new wood and wood based surfafes, with ready mixed paint brushing to give an even shade including cleaning of all dirt dust and other foreign matter,sand papering and stopping:-including all leads and lifts.

a)With readymixed paint other than white.

White washing with lime on undecorated wall surfaces two coats to give an even shade including thoroughly brooming the surface to remove all dirt, dust , mortar dirt and other foreign matter as per the direction of Engineer-in-charge including all leads and lifts.

Providing 40x3mm flat iron hold fast 40cm long including fixing to frame with 10mm diameter bolts nuts and wooden plugs and embeding in cement concrete block 30x10x15cm.1:3:6 (1cement: 3sand: 6graded stone agg. 20mm nominal size).complete in all respect as per the direction of the Engineer-in-charge including all leads and lifts.

Providing and fixing aluminium Tower bolts (barrel type) anodized transparent or dyed to required shade and colour with screws etc. complete.250x10mm.

Providing and fixing aluminium handles anodized transparent or dyed to required colour and shade with necessary screws etc. complete. 125mm.

Providing and fixing anodized alumimium sliding door bolts anodized colour and shade bolts,nuts and screws etc. complete. 250x 16mm.

Providing, laying, & commissioning at site in trenches to be beveled ended pipe conforming to IS/ISO:3183-2007 (Latest with up to date amendments) having minimum wall thickness as specified below & capable of withstanding required test pressure as prescribed in IS/ISO code, in random lengths of 5.5 to 6.5 mtr. The pipe ends shall be levelled suitable for butt welding, including the cost of jointing with butt welding confirming to IS 816-1969 or latest applicable and with uptodate ammendments (leak proof) in three layers at site of work with welded rods of Advani/oeriliken make/ISI marked (welded rods 3mm to 4mm) and all allied accessories whatever required for welding at site, tail pieces,tee bends & other special manufactured from parent pipes as applicable to the particular reach and of approved specification as per site conditions. and cutting of pipes wherever required as per site requirement including carriage in all leads & lifts and as directed by the Engineer-In-Charge. The pipe shall have zinc coating inside & outside confirming to IS-4736-1986 or latest with upto date ammendments & shall be engraved with API L-210. The laying shall confirm to BIS 5822-970 or latest with upto date ammendments to the entire satisfaction of Engineer-In-Charge. (Earth work & cost of MS Flanges after 100 meter length shall be measured & paid for seperately.) including all leads, lifts and carriage of materials at site and as per direction and to the entire satisfaction of the Engineer-In-Charge.

250mm dia Table.17 wall thickness. 4.00mm

Providing fixing and jointing of M.S.flanges conforming to BIS-6392-1971 (latest with upto date ammendment ) flange dia, table and nominal pressure as specified below welded at both ends of pipes at an interval of 100 mtrs.(as per site condition for particular reach as required) according to relelvant BIS Code 816-1962 and provided with nuts and bolts of required size as per BIS code 1364 including 3mm thick compressed asbestos fiber gasket of synthetic rubber gasket conforming to relevant BIS code 2712-1965 complete in all respect including all leads and lifts.

250mm dia. Table.17

Pumping Machinery:-

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single, /Multistages centrifugal pumps or combination of pumps, in series/parallel of recommended make such as Mather and Platt/KSB//Becon weir/Kirloskar/ BE/Jyoti or any other make approved from Jal Shakti Vibhag as per BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to suitable for lifting clear water for under mentioned characteristics with bronze impellers/ priming funnels casing ring and shaft sleaves or bronze. shaft of steel grade-with cast iron casing coupled directly through a flexible coupling on a common C.I./Cast steel base plate (base plate to be from the manufacturers of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor of standard make such as Kirloskar/ Crompton/ Bhel/NGEF/ GEC/ Siemen/ Jyoti/ABB or any other make approved from Jal Shakti Vibhag suitable for operation on 415(+) /-5% volts, 50 cycles/ second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-)15% of the duty point head. The motor should be as per IS:325-1978 with upto date ammendments read with IS:900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-1 set of 75 HP each.=75 HP.

(I) Discharge (Q) 16.24 LPS per set.(ii) Total Dynamic Head:-168.82 Meters.(a) LWL in sump well(h) :- Meters.(b) Shaft level :- Meters.© Level at discharge point : - Meters.(d) Suction lift :- (+tive) Meters.(e) Residual head:- 3.00 Meters.(f) Static head:- 160.00 Meters.(iii) Rising main(a) Length. 315.00 Meters.(b)Dia :- 250 mm.(iv) Pumping hours. 20 hours.(v) Altitude of Installation above MSL - Meters.(vi) Characteristics of water(a) Temperature oC(b)Abient Temperature oC© Turbidity Clear water (d) Alkalanity: Mg/CA CO3. e) Size of the solids.....mm (f) Others:- Pumps Specifications: i)Make:- . (ii) Model :- (iii) No.of stages :- .(iv)Material manufactures certificate to be appended (I) Head(H):- mtrs. (ii)Discharge(Q Cum./Hr/ set .(iii)BHP absorbed (iv)Efficiency(n):- . (v) NPSH(K)

(b) Motors Specification:- I) Make:- .ii) Model:- iii) Motor rating (KW ):- .iv) Speed.:-

© Coupling]

(d)Base Plate ] .

Supply of suitable direct on line/oil immersed star delta /ATS/Stator rotor starter of standard make such as MEI/Kilburn/Jyuoti/ Siemens/ Larson and Turbo conforming to BIS-8544-1979 latest with upto date ammendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type overload release & dash pot, time lag,under voltage release with initial oil filling.

Note:-Star delta starter upto 37.5 KW,ATS between 37.5 KW to 50 KW and starter rotor starter with slipring motor beyond 50 KW.

Providing MS .sheet,16 SWG steel fabricated floor mounted closed(Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm,duly painted, comprising and capable of mounting the following accessories with all internal connections: The drawing of panel board shall be subject to approval of Engineer-in-charge.

ICTP switches with HRC fuses of Kilburn/L&T/Siemens/Standard/Havells make and having Capacity 30% extra of the operational rating as per IS:4064-1978 with upto date ammendments immediately after the power meter of HPSEB. ICTP SWITCHES: I) Type : ii)Make:- iii)Capacity Amp.

Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and one copper bar of half the rating of full length for neutral phase as per BIS:8084-1976 and 11353-1985 read with 5578-1985 with upto date ammendments. BUS BAR CHAMBER:- i)Type: - . ii)Make:- iii)Rating

ACB/M.C.B/Oil Circuit Breaker of suitable capacity of Kilburn/ L&T/ MEI/GEC/Standard make on incoming feeder for motor offered by the tenderer conforming to BIS-2516-1985 latest with upto date ammendments with initial oil filling whenever required and neutral linked under voltage release.

Three phase Indicating lamps complete with toggle switches for individual motors as per IS 3452(P-I&II) with upto date ammendments. THREE PHASE INDICATOR:- i) Type:- ii) Make:- iii) Capacity.

Earth leakage circuit breaker relay of recommended make such as (Kilburn/L&T/MEI/ GEC) conforming to BIS- 2516-1977 with upto date ammendment and of suitable range which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be fitted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end. ELCB/ELR:- I)Make :- (CEI approved). ii)Type: iii) Range.

Providing Hour run meter of reputed make for four digit capacity conforming to BIS:722(Latest edition)/recommendations. HOUR RUN METER:- I) Type:- ii)Make:- iii)Capacity:- Hrs.

Suitable three phase voltage monitor relay with all protection and usual indicator and electric siren against single phasing No/ low voltage,high voltage & overloading and phase voltage difference as per IS:3842 with upto date ammendments.

Change over switch of reputed make and suitable capacity.

Single phase preventor of reputed make and suitable capacity conforming to IS:1248 (P-V)-1983 with upto date ammendments.

Supply of Kirloskar/Leader/KSB/fouress/pellicon make of Cast iron/cast steel double flanged sluice valve having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure conforming to BIS/API-standards with upto date ammendments for delivery liine of pump.

(Note:- The sluice valve shall conform to BIS-780-1984 latest with upto date ammedments. However, if the seat pressure exceeds the limits prescribed in BIS: 780 then the sluice valves shall be of Cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the normal delivery size of .pump and capable of withstanding nominal seat pressure & comforming to BIS/API standard with upto date ammendments for delivery line of pump.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class ASA-150 (seat pressure 21 Kg/cm^2) or class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of Rising main with standing normal seat pressure.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class ASA-150 (seat pressure 21 Kg/cm^2) or class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Prov. and fixing double flanged suction, delivery pipe and common header considering site requirement, NPSH required and available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS:2712-1978 nuts and bolts as per 1264-1983 & special upto 5mtrs. away from the outer wall of pump house as per layout drawings approved by Engneer-in-charge. The pipes shall be capable of with standing minimum 1.5 times the total pressure or total dynamic pressure+ surge pressure whichever is more. The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 2.50 mtrs./sec. & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of carriage of material in all leads and lifts and as per directed by the Engineer-in-charge. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-charge.

Less credit for old pumping machinery:

Thakur Traders

Parmod Kumar Thakur

rupinder justa govt contractor