M & R of Junagadh Vanthali RWSS

NAME OF WORK : REPAIRING AND RENOVATION WORK OF BALIYAWAD WTP of

31.20 MLD capacity UNDER M & R OF JUNAGADH VANTHALI RWSS.

SCHEDULE C: ITEMWISE SPECIFICATIONS

Name of Item: Dismantling of Doors, Windows, Ventilators, Shutters including Chowkhats and

all Attachments

Detailed Specification:

The work shall consist of carefully dismantling existing wooden or steel doors, windows, ventilators,

shutters, chowkhats, architraves, holdfasts, hinges, tower bolts, handles, locks, fastening arrangements

and all other connected accessories complete without causing damage to the adjoining masonry,

reinforced cement concrete members or finishing surfaces. The dismantling shall be carried out using

suitable tools and equipment under proper safety precautions. All serviceable materials shall be

carefully removed, cleaned and stacked at locations as directed by the Engineer-in-Charge for

departmental use, while unserviceable materials and debris shall be removed from the work site and

disposed of as directed. The item shall include cutting or loosening embedded holdfasts, making good

damaged surfaces after dismantling, cleaning the site, loading, unloading, transportation within all leads

and lifts, labour, tools and plants, scaffolding wherever required and all incidental works necessary for

satisfactory completion of the work in accordance with relevant IS Codes and the directions of the

Engineer-in-Charge.

Name of Item: Providing and fixing M.S. grills of required pattern to wooden frames of windows

etc. with M.S. flats at required spacings and frame around, square or round bars with round

headed bolts and nuts or by screws Detailed Specification:

The work shall comprise providing, fabricating, supplying, transporting, handling and

erecting M.S. structural steel work of approved quality and sections as shown on the

drawings and as directed by the Engineer-in-Charge. The scope shall include cutting,

straightening, drilling, punching, welding, grinding, edge preparation, fitting, shop

fabrication, trial assembly (where required), loading, unloading, hoisting, alignment,

positioning and fixing complete. The work shall also include providing and fixing all

connection materials such as base plates, gusset plates, cleats, stiffeners, anchor bolts,

holding down bolts, nuts, bolts, washers, welding electrodes and other accessories required

for complete erection. Cleaning of steel surfaces and application of one coat of approved red

oxide zinc chromate primer before erection, touch-up painting after erection, testing,

inspection, scaffolding, staging, lifting arrangements, all labour, tools, plants, consumables

and incidental works necessary for satisfactory completion shall be included.

Structural steel shall conform to IS 2062 (latest revision) or as specified in the contract

documents. Welding electrodes shall conform to IS 814. Bolts, nuts and washers shall

conform to relevant IS specifications. Primer shall be approved red oxide zinc chromate

primer conforming to relevant IS specifications. All materials shall be new, free from defects

and approved by the Engineer-in-Charge before use.

Fabrication and erection shall be carried out in accordance with IS 800, IS 801, IS 816, IS

Cutting shall be neat and accurate. Welding shall be continuous, uniform and free from cracks,

porosity and slag inclusions. All welds shall be cleaned and ground smooth wherever specified.

Members shall be erected true to line, level and plumb. Damaged primer during handling and

erection shall be repaired by applying one additional coat of primer. The completed work shall

be rigid, stable and properly aligned to the satisfaction of the Engineer-in-Charge.

4. Measurements

Measurement shall be made in kilograms (kg) of completed structural steel work actually

fabricated, supplied and erected in position. The weight shall be based on the theoretical weight

of approved sections as per IS 808/standard steel tables or approved fabrication drawings. The

rate shall include supply of steel, fabrication, transportation, loading, unloading, hoisting,

erection, welding, grinding, bolts, nuts, washers, welding electrodes, one coat of red oxide

primer, scaffolding, staging, tools and plants, testing, all labour and all incidental charges

required for completion of the work. No separate payment shall be made for wastage, cutting

losses, temporary supports, lifting arrangements or other incidental items.

Payment shall be made in kilograms (kg) basis.

Name of Item: Removing Old Deteriorated Plaster and Providing 15 mm Thick Internal Cement

Detailed Specification:

The work shall consist of removing existing loose, cracked or deteriorated plaster of any

thickness from brick masonry, stone masonry or reinforced cement concrete surfaces using

hand tools without damaging the parent surface. All loose materials shall be completely

removed and disposed of from the work site. The exposed surface shall be thoroughly cleaned,

washed and prepared before application of fresh plaster. Thereafter, 15 mm thick cement plaster

in Cement Mortar 1:3 (one part cement and three parts clean coarse sand) shall be applied

uniformly on the prepared surface to achieve a smooth, even and true finish. The plaster shall

be properly floated, trowelled and cured continuously for not less than seven days. The work

shall include hacking where necessary, preparation of joints, scaffolding, curing, labour, tools

and plants, loading, unloading, transportation, disposal of debris and all incidental works

complete in accordance with IS 1661, IS 2402 and relevant specifications as directed by the

Engineer-in-Charge.

Payment shall be made in square meter (sqm) basis.

Name of Item: Removing Old Plaster and Providing 20 mm Thick Sand Faced Cement Plaster

Detailed Specification:

The work shall consist of removing existing damaged plaster from wall or RCC surfaces

including cleaning and preparing the surface for fresh plaster. The new plaster shall comprise

20 mm thick sand-faced cement plaster consisting of a 12 mm thick backing coat in Cement

Mortar 1:3 followed by an 8 mm thick finishing coat in Cement Mortar 1:1. Approved quality

cement and clean, well-graded sand shall be used. The backing coat shall be properly

roughened to receive the finishing coat. The finished surface shall be uniform, true to line, free

from cracks, hollowness and undulations, with a neat sand-faced texture. Proper curing shall

be carried out for a minimum period of seven days. The rate shall include scaffolding, surface

preparation, curing, disposal of debris, labour, materials, tools and plants, transportation,

loading, unloading and all incidental works complete in accordance with relevant IS Codes and

directions of the Engineer-in-Charge.

Payment shall be made in square meter (sqm) basis.

Name of Item: Point Wiring for Light/Fan/Bell Point with FRLS Copper Wires in Concealed PVC

Detailed Specification:

General Specification as per IS 732 & IS

 Cable/Wire: 2.5 Sq.mm FR PVC Copper wire for light/fan. 4.0 Sq.mm for AC/Geyser.

Brand: Havells, Polycab, Finolex

 Conduit: 20mm to 25mm PVC Rigid Conduit Pipe, ISI marked

 Switch & Socket : Modular type, 6A/16A, 220V-240V, 50Hz. Brand: Legrand,

Schneider, Anchor, Havells

 Back Box / GI Box: 3x3" or 4x4" GI Box, 16 Gauge, depth 35mm to 45mm

 Plate: Modular PVC plate with frame

 Earthing: 1.5 Sq.mm Green PVC wire along with phase & neutral

 Concealed Wiring*: PVC conduit inside wall. 12-18" above floor level

 Looping*: Max 2 points in 1 loop from DB

 Color Code*: Red/Black/Brown = Phase, Black/Blue = Neutral, Green/Yellow = Earth

Material Quantity for 1 Point - Approx*- Wire: 12-15 meters of 2.5 http://Sq.mm

 - PVC Conduit: 3-4 meters of 20mm

 - 1 Modular Switch + 1 Socket + 1 Plate + 1 GI Box

 - PVC Tape, Connector, Clamps

 1. *Continuity Test* for each wire

 2. *Insulation Resistance Test* > 1 Mega Ohm

 3. *Earth Resistance* < 1 Ohm

Name of Item: Supply, Installation, Testing and Commissioning of 1200 mm Sweep BEE 5-Star

BLDC Ceiling Fan

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning approved make 1200 mm

sweep Ceiling Fan with Brush Less Direct Current (BLDC) permanent magnet motor conforming to IS

374:2019 and BEE Five Star rating. The fan shall have three rust-proof aluminium blades, copper

wound motor, Class-B insulation, power factor not less than 0.90, minimum air delivery of 215 CMM,

service value not less than 6.85 CMM/Watt, speed approximately 350 RPM and shall operate

satisfactorily over an input voltage range of 140–285 Volts. The fan shall be complete with down rod,

shackle assembly, canopy, safety wire, remote control, electronic driver, surge protection, overload

protection, hardware and earthing arrangement. Installation shall include proper balancing, alignment,

testing for smooth vibration-free operation and satisfactory performance. The rate shall include all

materials, accessories, labour, transportation, testing and commissioning complete as directed by the

Engineer-in-Charge.

Minimum 12 months comprehensive warranty from the date of commissioning covering all parts and

replacement of defective components.

Name of Item: Supply and Erection of 18–20 Watt LED Tube Light Fittings

Detailed Specification:

a)The scope of the Contractor shall include supply and installation of equipment necessary for

a complete lighting and receptacle system. The lighting system includes Lighting fixtures

(indoor/ outdoor), lamps.

b)The various types of lighting fixtures with lamps shall be installed based on the mounting

arrangement shown in the typical drawings enclosed with the specification. Installation scope

shall include all material to mount the fixtures in proposed manner.

c)The various types of lighting fixtures as specified in this specification shall be assembled,

installed, tested & commissioned by the Contractor.

d)The type of lighting fixtures and receptacles, illumination level and approximate quantity

required shall be generally as per design criteria.

e) Lighting system installation shall be as per the tender specifications.

f) It shall be the responsibility of the Contractor to work out complete detailed requirement of

lighting and receptacle system for the whole plant and staff quarters including area lighting as

per specification and accordingly procure and install them.

 Minimum 12 months comprehensive warranty from the date of commissioning covering all

parts and replacement of defective components.

The Payment shall be paid per Each basis.

The work shall consist of supplying, installing, testing and commissioning indoor LED tube light

fittings having integral electronic driver, nominal wattage between 18 and 20 Watts, complete with high

efficiency LEDs mounted on MCPCB, CRCA sheet steel or die-cast aluminium housing, powder-coated

finish, polycarbonate diffuser and all fixing accessories. The fitting shall operate on 160–270 Volt AC

supply with power factor greater than 0.95, THD less than 15%, luminaire efficacy exceeding 85 lumens

per Watt and colour temperature between 3000 K and 6500 K. The fitting shall possess valid LM-79

and LM-80 certifications and conform to relevant BIS standards. Installation shall include fixing on

wall or ceiling, connection to the existing wiring system, testing, commissioning and demonstration of

satisfactory performance. The rate shall include all accessories, wiring from terminal block to fitting,

labour, tools, transportation, testing and complete installation.

Name of Item: Providing and Fixing Wire Gauge Bird Protection Jali

Detailed Specification:

The work shall consist of supplying and fixing bird protection wire mesh made from galvanized iron

wire of 0.71 mm thickness or approved equivalent, woven uniformly to prevent entry of birds while

permitting free passage of air and light. The wire mesh shall be fixed securely to window openings,

ventilators or other designated locations using galvanized clamps, screws, M.S./G.I. flats or approved

fixing arrangements. The mesh shall be stretched tightly without sagging and fixed in a neat and durable

manner. The rate shall include cutting to size, fixing accessories, drilling, scaffolding where required,

transportation, loading, unloading, labour, tools and plants and all incidental works complete to the

satisfaction of the Engineer-in-Charge.

Name of Item: Manpower for Lifting, Disposal and Placement of Filter Media in Filter Bed

Detailed Specification:

The work shall consist of providing skilled and unskilled manpower required for lifting existing filter

media, gravel and sand from filter beds, carefully removing, segregating, transporting and disposing of

unsuitable materials, cleaning the filter bed. The work shall be carried out manually or with suitable

equipment as required without causing damage to nozzles, under-drain systems or civil structures. The

item shall include handling, loading, unloading, stacking, cleaning, transportation within all leads and

lifts, safety arrangements, supervision, labour, tools and plants and all incidental works necessary for

complete replacement of filter media for one filter bed compartment as directed by the Engineer-in-

Name of Item: Providing, Supplying and Laying Filter Sand for Rapid Gravity Filter Bed

Detailed Specification:

The work shall consist of supplying approved quality silica filter sand conforming to IS 8419 having

effective size between 0.45 mm and 0.70 mm and uniformity coefficient between 1.30 and 1.70. The

filter sand shall be clean, hard, durable, chemically inert and free from clay, organic matter, mica or

other deleterious substances. The sand shall be transported to site, properly washed if required and laid

uniformly over the prepared graded gravel bed to the specified thickness as shown in the approved

drawings. The finished surface shall be level and uniform throughout the filter bed. The work shall

include supply of material, loading, unloading, transportation, stacking, spreading, levelling, labour,

tools and plants, testing of grading wherever required and all incidental works complete in accordance

with IS 8419 and as directed by the Engineer-in-Charge.

After Providing & lying filter media necessary testing of plants must be done and if media not working

properly than agency has to remove and re supply filter media as with his own cost.

Name of Item: Providing, Supplying and Laying Graded Gravel Media for Filter Bed

Detailed Specification:

The work shall consist of providing, supplying and laying approved quality graded gravel media of

different specified sizes conforming to the approved design, drawings and relevant IS standards for

rapid gravity filter beds. The gravel shall be hard, durable, clean, rounded or crushed stone, free from

clay, dust, organic matter and other deleterious substances. The material shall be washed thoroughly

before laying and shall be placed carefully in successive graded layers of specified thickness without

disturbing the filter floor nozzles or under-drainage system. Each layer shall be levelled uniformly to

achieve the designed profile and thickness. The work shall include procurement, loading, unloading,

transportation, stacking, washing, laying, levelling, labour, tools and plants, testing of grading wherever

required, cleaning of the filter bed and all incidental works complete in accordance with IS 8419 and as

directed by the Engineer-in-Charge.

After Providing & lying filter media necessary testing of plants must be done and if media not working

properly than agency has to remove and re supply filter media as with his own cost.

Name of Item: Providing and Supplying 500 kg Capacity Weighing Machine

Detailed Specification:

Providing Suppling 500 kg capacity weighing machine at destination.

 Capacity: 500 kg

 Platform Size: 750 x 750 mm

 Accuracy: 50 gm

 Power Supply: 230V AC + Rechargeable Battery-

 Battery Backup: Up to 15 hours

 Display: Front and Back Red and Green LED

 Machine Weight: Approx 45 kg

 Features: Heavy-duty design, Portable, Digital display

 Common Features in 500kg Industrial Platform Scales

 Load Cell: High precision industrial grade

 Functions: Tare, Zero setting, Auto calibration, Overload protection

 Indicators: Low battery, Stable weight indicator

 Construction: Heavy duty MS frame for durability

Name of Item: Providing, Fabricating and Fixing Mild Steel Gates for Filter Bed and Inlet

Detailed Specification:

The work shall include the design, supply, fabrication, machining, painting, testing,

transportation, installation, and commissioning of Cast Iron (CI) gates complete with

operating handles, stems, guides, fasteners, sealing arrangement, and all accessories required

for satisfactory operation.

 Gate frame and shutter: High-grade Cast Iron conforming to relevant IS standards.

 Operating spindle/stem: Stainless Steel (SS 304/SS 316 as specified).

 Operating handle/wheel: Cast Iron or Mild Steel with epoxy-coated finish.

 Fasteners: Stainless Steel (SS 304).

 Guide brackets, lifting nuts, and accessories: Cast Iron/Bronze as required.

 Rubber sealing: EPDM or Neoprene suitable for potable water/sewage applications.

 Gates shall be accurately machined to ensure smooth operation and proper seating.

 All machined surfaces shall be free from defects, cracks, blowholes, and sharp edges.

 Welding, where applicable, shall conform to relevant standards.

 Gates shall be fabricated to the dimensions shown in the approved drawings.

Operating Mechanism

 Each gate shall be provided with a manually operated handle or hand wheel connected

to stainless-steel spindle.

 The operating mechanism shall permit smooth opening and closing without excessive

 Suitable guides and thrust bearings shall be provided to ensure proper alignment.

Protective Coating

 All CI and MS surfaces shall be thoroughly cleaned by mechanical cleaning.

 One coat of epoxy zinc-rich primer followed by two coats of epoxy paint, each of

minimum 100 microns DFT, shall be applied.

 Total dry film thickness shall not be less than 250 microns unless otherwise specified.

 The gate frame shall be fixed in position using stainless steel anchor bolts or embedded

 Alignment, plumb, and level shall be checked before final fixing.

 All gaps between the frame and civil structure shall be filled with non-shrink grout.

 Visual inspection of casting and machining.

 Operational test for smooth opening and closing.

 Leakage test under specified head of water.

 Functional testing after installation.

Measurement shall be made on a complete installed basis in numbers (Nos.) as specified in the

Bill of Quantities (BOQ).

The Payment shall be paid per Nos basis.

Name of Item: Construction of Valve Chamber in Brick Masonry with RCC Cover Slab

Detailed Specification:

The work shall consist of constructing valve chambers of specified internal dimensions in brick masonry

or locally available bela stone masonry laid in Cement Mortar 1:6 over 150 mm thick Cement Concrete

1:4:8 foundation. The chamber walls shall be plastered internally with 12 mm thick Cement Mortar 1:3

to obtain a smooth watertight finish and externally pointed with Cement Mortar 1:3. The chamber shall

be provided with precast RCC slab in two parts or cast-in-situ RCC slab as specified, complete with

key holes, lifting handles and heavy-duty CI manhole frame and cover wherever applicable. All

dimensions, wall thickness, reinforcement and construction details shall conform to GWSSB Standard

Drawings and Civil SOR. The rate shall include excavation (where specified separately excluded),

dewatering if necessary, masonry, concrete, reinforcement, shuttering, curing, plastering, pointing,

fixing of covers, backfilling, finishing, transportation, labour, tools and plants and all incidental works

complete as directed by the Engineer-in-Charge.

The Payment shall be paid per Nos basis.

Name of Item: Lowering, Laying and Jointing of C.I./D.I. Valves

Detailed Specification:

The work shall consist of lowering, positioning, aligning and jointing Cast Iron or Ductile Iron reflux

valves, butterfly valves, sluice valves or air valves of specified diameters in the existing or proposed

pipeline system. Installation shall be carried out carefully to ensure proper alignment with pipeline

centreline and flow direction. All joints shall be made using approved rubber gaskets, bolts, nuts,

washers and jointing materials as recommended by the manufacturer. Proper tightening sequence shall

be followed to ensure leak-proof joints without distortion. The installed valve shall be checked for

smooth operation and hydraulic testing shall be carried out under specified pressure to ensure complete

leak-proof performance. The rate shall include all labour, lifting equipment, transportation within site,

jointing materials, hydraulic testing, alignment, accessories, tools and plants and all incidental works

complete in accordance with relevant IS Codes and directions of the Engineer-in-Charge.

The Payment shall be paid per Nos basis.

Name of Item: Providing and Fixing Powder Coated Aluminium Sliding Windows with Tinted

Detailed Specification:

The work shall consist of providing, fabricating and fixing powder-coated aluminium sliding windows

using approved extruded aluminium sections of specified dimensions and thickness complete with outer

frame, sliding shutters, rollers, locking arrangement, handles, weather strips, glazing beads and all

hardware. The shutters shall be glazed with 5 mm thick bronze tinted float glass fixed using approved

EPDM gaskets and transparent silicone sealant. The aluminium sections shall be colour anodized or

powder coated as specified and conform to relevant IS standards. Windows shall be fixed accurately in

position using anchor fasteners with proper sealing around the perimeter to prevent leakage. The rate

shall include fabrication, cutting, machining, glazing, transportation, installation, sealing, labour, tools

and plants and all incidental works complete as directed by the Engineer-in-Charge.

Name of Item: Lowering, Laying and Jointing of 100 mm Diameter G.I. Pipe

Detailed Specification:

 G.I. Pipes of 100 mm dia G.I. “C” class as indicated in the item of schedule-B and

specials shall be brought by contractor and should be get approved by the engineer-in

charge of work. The pipes shall be cleaned and tested for their soundness before they

are brought to the site of work. The jointing shall be done after the alignment and levels

are checked and certified by the in charge of work.

 The rate includes the cost of jointing materials such as white sink spumyern etc. and

the cost of cutting and threading of pipes where necessary while laying pipes suitable

sections should be tested hydraulically for 1 ½ times a the working pressure and no

line should be covered till certificate by D.E.E : In absence of satisfactory hydraulic

test, 30 % amount of respective item of pipeline shall be with held from the will as per

standard practice of department.

The payment shall be made on Rmt. basis.

The work shall consist of supplying ISI marked galvanized iron pipes of medium-duty class conforming

to IS 1239 complete with threaded ends and couplings. The pipes shall be manufactured from high-

quality mild steel, uniformly galvanized both internally and externally and shall be free from

manufacturing defects. The supply shall include all taxes, insurance, inspection charges, transportation,

freight, loading, unloading and stacking at departmental stores. Each pipe shall bear manufacturer's

identification, ISI mark and class designation. The rate shall include supply of couplings, handling,

inspection, delivery and all incidental charges complete as directed by the Engineer-in-Charge.

Name of Item: Providing and Casting M-350 Grade Prestressed Cement Concrete

Detailed Specification:

The work shall consist of providing, mixing, placing, compacting and curing controlled M-350 grade

cement concrete for prestressed concrete superstructure components such as solid slabs, deck slabs,

main girders, diaphragms and cross girders. Approved quality cement, graded aggregates, clean sand,

potable water and approved admixtures shall be used to achieve the specified strength and durability.

Concrete shall be machine mixed, transported, placed in layers and compacted using mechanical

vibrators to eliminate voids. Proper cantering, shuttering, scaffolding and curing shall be provided. Cube

tests and quality control tests shall be carried out as per IS 456 and IS 1343. The rate shall include

batching, mixing, placing, vibration, finishing, curing, cantering, shuttering, scaffolding, transportation,

labour, tools and plants and all incidental works complete to the satisfaction of the Engineer-in-Charge.

Name of Item: Providing and Laying RCC Cement Concrete (1:2:4) in Slabs, Beams, Lintels and

Similar Structural Members

Detailed Specification:

The work shall consist of providing and laying reinforced cement concrete of nominal mix 1:2:4 using

one-part ordinary Portland cement, two parts clean coarse sand and four parts graded 20 mm nominal

size crushed stone aggregate for structural members such as slabs, beams, lintels, landings, balconies,

shelves and cantilever portions up to second-floor level. Concrete shall be machine mixed, transported,

placed carefully without segregation and compacted using mechanical vibrators to obtain dense and

homogeneous concrete. The exposed surfaces shall be finished smooth and true to line and level. Proper

curing shall be carried out continuously for not less than fourteen days. Reinforcement shall be

measured and paid separately. The rate shall include materials, batching, mixing, placing, vibration,

finishing, curing, shuttering (where specified), transportation, labour, tools and plants and all incidental

works complete in accordance with IS 456 and the directions of the Engineer-in-Charge.

Name of Item: Providing Mild Steel Reinforcement for Reinforced Cement Concrete Work

Detailed Specification:

The work shall consist of providing, cutting, bending, straightening, binding and placing in position

high yield strength deformed (HYSD) TMT reinforcement bars of approved grade conforming to IS

1786 for reinforced cement concrete work up to second floor level. Reinforcement shall be cut and bent

accurately as per approved Bar Bending Schedule (BBS) and structural drawings using mechanical bar

bending equipment. Bars shall be securely tied with 18 SWG annealed binding wire and maintained at

correct position using approved concrete cover blocks and spacers. Lapping, anchorage, hooks, bends

and cranks shall be provided as per IS 2502 and structural design requirements. Reinforcement shall be

cleaned of rust, oil, grease and loose scales before placing. The rate shall include cutting, bending,

binding, tying, placing, supporting, wastage within permissible limits, labour, tools and plants,

transportation, loading, unloading and all incidental works complete in accordance with IS 1786, IS

and as directed by the Engineer-in-Charge.

Name of Item: Supplying and Erecting 200 mm Exhaust Fan

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning approved make low-noise

exhaust fan having 200 mm sweep with square ABS body, inbuilt gravity louvers, corrosion-resistant

housing and suitable for continuous operation. The fan shall operate on 230 Volt, single-phase AC

supply with a speed of approximately 1350 RPM and shall conform to relevant IS standards. The fan

shall be complete with motor, mounting frame, fixing brackets, fasteners, protective grill, wiring from

nearby point, connection to the electrical system, testing and commissioning. Proper alignment shall be

ensured to avoid vibration and excessive noise. The rate shall include all materials, accessories, wiring,

labour, tools and plants, transportation, testing and commissioning complete as directed by the

Engineer-in-Charge.

Name of Item: Providing and Supplying 200 Litre Rotationally Moulded HDPE Storage Tank

Detailed Specification:

1.0 SCOPE OF CONTRACT:

The contract shall be covering manufacturing, supplying and delivering of ;

Approved make or “Rotational Molded Polyethylene water storage tank.

(Cylindrical vertical type with ISI mark)

Tanks conforming to IS : 12701-1996 or its latest revision with ISI mark.

3.0 TENDER PRICE:

The tender price shall include all labour, material and machinery cost

necessitated to be utilized for;

a) Proper manufacturing of the Tanks.

b) All tests required to be undertaken at manufacturer’s premises.

c) Transportation of the tanks either by Rail and/or Road services with all the

covers duly and appropriately insured.

d) Delivery of tank with proper loading, unloading, stacking at GWSSB store as

indicated by Engineer-in-charge.

e) Further towards proper discharge of all contractual obligations. The storage of

all tanks to be manufactured, supplied and delivered under the scope of

contracts shall be in general be made as described in Technical specification

4.0 DELIVERY SCHEDULE:

The delivery schedule shall be governed by the Gujrat water supply and

sewerage Board and shall be specified in individuals supply orders.

The methods of marking all the tanks to be delivered under scope of contract

shall ensure that all the information will remain legible even after transportation

storage in open space etc. In general the legible and indelible marking upon the

goods shall indicate the marking as per IS specification. Over and above this,

marking as “GWSSB” should be marked on each tank.

6.0 PACKING AND HANDLING:

6.1 The materials shall always be packed separately dispatched from manufacturers

works with adequate protective measures to prevent damages deterioration

while in transport or stored at any place. The packing shall always be so neat

and tidy that may withstand any robust and rough handling.

6.2 When the materials are transported at railway risk, special packing as per IRCA

rules are absolutely necessary for which the extra cost, if any, shall be borne in

total by supplier only.

6.3 The supplier shall use proper handling instruments/equipment’s and shall follow

to a suitable method of handling pipes as may be approved by Engineer, while

unloading and stacking material in the stores.

7.0 MATERIALS AND WORKMANSHIP:

7.1 General requirements of materials and workmanship shall mean any material or

article either raw or finished one is required to be used in the manufacturing

process of tanks. All the material shall be new and of high quality.

7.3 In case, if material is not specified by relevant ISS for manufacturing part or the

whole as item, the supplier shall prepare specifications in concurrence with

manufacturer and shall seek an approval of Engineer prior to its use in the

8.0 TEST CERTIFICATE:

8.1 The supplier shall always provide manufacturer’s test certificate in accordance

with every batch/lot of goods so manufactured and supplied.

8.2 The supplier shall also produce in addition to manufacturer’s test certificate as

mentioned in para 8.1 above, the inspection certificate issued by the authorized

person/agency appointed by Engineer or Board for the same purpose.

9.0 TECHNICAL SPECIFICATION

Rotation Moulded polyethylene water storage tank (Cylindrical vertical type)

shall be conforming to IS 12701-1996 or its latest revision with ISI mark.

10.0 MODE OF MEASUREMENT & PAYMENT

The payment shall be made on number basis of as per relevant diameter of item

in schedule B of the tender Item is including all taxies, insurances, transportation,

freight charges, octroi, inspection charges, loading, unloading, carting to store or

site of work staking etc.

The payment shall be made on number basis.

Name of Item: Providing, Fabricating and Erecting Mild Steel Structure for M.S. Door

Detailed Specification:

The work shall consist of designing, fabricating, supplying and erecting Mild Steel door complete with

frame, shutters and supporting members using approved quality M.S. angles, flats, square sections,

channels, plates and other structural members as required. Fabrication shall include accurate cutting,

drilling, welding, grinding and finishing to produce a rigid and properly aligned assembly. The

completed structure shall be cleaned thoroughly and provided with one coat of approved red oxide zinc

chromate primer followed by two coats of synthetic enamel paint of approved shade unless otherwise

specified. Installation shall include fixing with anchor fasteners, grouting, embedding, plastering around

the frame, alignment, adjustments and smooth operation. The rate shall include fabrication, erection,

transportation, loading, unloading, welding consumables, labour, scaffolding, tools and plants and all

incidental works complete as directed by the Engineer-in-Charge.

Name of Item: Removing Existing RCC Pipeline Including Specials and Valves

Detailed Specification:

All work shall be carried out as per instruction of engineer incharge of work. No damage

shall be done to Pipes,valves to be removed.All removed materials should be carted by

agency from site of work to dept. store as directed by engg. incharge.. Rate shall be paid

per Mt. basis of pipe removed..

Payment shall be made in RMT basis.

Name of Item: Supplying and Fixing 300 mm Diameter NP-2 RCC Pipe with Collars

Detailed Specification:

The work shall consist of supplying, lowering, laying and jointing heavy-duty non-pressure reinforced

cement concrete pipes of NP-2 class having 300 mm internal diameter conforming to relevant IS

standards complete with collars. The pipes shall be laid to proper alignment, line and gradient on

prepared foundation. Joints shall be made using Cement Mortar 1:2 or approved jointing material to

obtain leak-proof joints. After laying, joints shall be cured adequately before commissioning. The work

shall include earthwork necessary for laying where specified, watering, alignment, hydraulic flow

checking, loading, unloading, transportation, labour, tools and plants and all incidental works complete

as directed by the Engineer-in-Charge.

Name of Item: Providing, Fabricating and Erecting M.S. Operating Rod and Handle for

Sluice/Butterfly Valve

Detailed Specification:

The work shall consist of providing, fabricating, supplying and installing Mild Steel operating rods and

operating handles for sluice valves and butterfly valves as per approved design and dimensions. The

rods shall be fabricated from approved quality M.S. round bars with suitable threaded ends, couplings,

guides and operating wheels or handles to ensure smooth operation. All fabricated components shall be

accurately machined, welded where necessary and properly aligned. The completed assembly shall

receive one coat of red oxide primer followed by two coats of approved synthetic enamel paint.

Installation shall include fixing, alignment, testing for smooth operation, transportation, loading,

unloading, labour, tools and plants and all incidental works complete to the satisfaction of the Engineer-

Name of Item: Construction of Neutralization Pit

Detailed Specification:

The work shall consist of constructing a neutralization pit complete with excavation, PCC foundation,

reinforced cement concrete base slab, brick or RCC side walls, internal waterproof cement plaster, inlet

and outlet arrangements, overflow provision, access cover and all other components as per approved

drawings. The pit shall be designed to safely neutralize chemical waste generated during water treatment

operations. All civil works including reinforcement, shuttering, curing, waterproofing treatment,

backfilling, disposal of surplus excavated earth, finishing, testing for water tightness and cleaning shall

be included. The rate shall include all materials, labour, tools and plants, transportation, loading,

unloading and all incidental works complete in accordance with relevant IS Codes and as directed by

the Engineer-in-Charge.

Name of Item: Providing and Applying Food Grade Solvent-Free Epoxy Coating on Concrete

Detailed Specification:

The work shall consist of preparing existing concrete surfaces of RCC ESR, GSR or other water

retaining structures by removing loose materials, laitance, algae, dust and contaminants through

scraping, wire brushing, grinding and air blowing. Surface defects shall be repaired prior to coating

application. Approved make food-grade, solvent-free epoxy coating suitable for potable water contact

shall be applied in two coats strictly in accordance with the manufacturer's specifications to achieve the

specified dry film thickness. Each coat shall be applied only after proper curing of the previous coat.

The finished surface shall be smooth, pinhole-free, chemically resistant and completely waterproof. The

work shall include scaffolding, surface preparation, application, curing, hydraulic testing wherever

required, labour, tools and plants, transportation and all incidental works complete as directed by the

Engineer-in-Charge.

Name of Item: Supplying Auto pH Meter with Automatic Temperature Compensation

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning a laboratory-grade digital

Auto pH Meter complete with automatic temperature compensation, combination pH electrode, RTD

temperature probe, four-digit LED display and facility for pH as well as Redox (ORP) potential

measurement. The instrument shall be microprocessor-based with soft-touch membrane keypad,

automatic calibration, high measurement accuracy and stable performance suitable for continuous

laboratory use in water treatment plants. The equipment shall be supplied complete with electrode stand,

buffer solutions, operating manual, calibration accessories, power supply, warranty and all standard

accessories. Installation shall include demonstration, calibration, testing and training of departmental

staff. The rate shall include supply, transportation, loading, unloading, installation, commissioning,

calibration, labour and all incidental works complete to the satisfaction of the Engineer-in-Charge.

Name of Item: Supplying Auto TDS Meter with Automatic Temperature Compensation

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning a microprocessor-based

digital Total Dissolved Solids (TDS) Meter complete with 16 × 2 alphanumeric LCD display, automatic

temperature compensation (ATC), digital cell constant adjustment facility, conductivity cell,

temperature probe and soft-touch membrane keypad. The instrument shall be suitable for accurate

measurement of TDS and conductivity of potable water and water treatment process samples. It shall

provide stable readings with high accuracy and shall be complete with calibration solutions, operating

manual, adaptor, accessories and manufacturer’s warranty. The rate shall include supply, transportation,

loading, unloading, installation, calibration, testing, demonstration to departmental staff, labour, tools

and all incidental works complete in accordance with the manufacturer's specifications and as directed

by the Engineer-in-Charge.

Name of Item: Supplying Microprocessor Based Digital Turbidity Meter

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning a laboratory-grade

microprocessor-based digital turbidity meter having 16 × 2 alphanumeric LCD display with automatic

ranging up to 10,000 NTU. The instrument shall be capable of storing minimum two calibration

standards, thereby reducing frequent calibration requirements. It shall be provided with PC interface

facility, optical measurement system, high accuracy sensors and suitable software wherever applicable.

The instrument shall include calibration standards, sample cells, operating manual, power adaptor and

all standard accessories. The rate shall include supply, transportation, installation, calibration, testing,

demonstration, warranty, labour and all incidental works complete to the satisfaction of the Engineer-

Name of Item: Supplying Jar Test Apparatus (Spindle Stirrer Type)

Detailed Specification:

The work shall consist of supplying, installing, testing and commissioning a laboratory Jar Test

Apparatus of spindle stirrer type suitable for determining optimum coagulant dosage during water

treatment operations. The equipment shall be of sturdy construction with multiple stirring paddles,

variable speed control, digital timer, illumination arrangement and corrosion-resistant frame. The

apparatus shall operate smoothly over the specified speed range and provide uniform mixing conditions

in all beakers simultaneously. The equipment shall be supplied complete with glass beakers, operating

manual, electrical accessories, warranty and calibration certificate wherever applicable. The rate shall

include supply, transportation, installation, testing, demonstration, labour, tools and all incidental works

complete as directed by the Engineer-in-Charge.

APPROVED VENDOR LISTS

(Mechanical, Electrical, Instrumentation & Civil Items)

The approved lists of vendors for Mechanical / Electrical / Instrumentation / Civil

equipment and accessories to be supplied under this contract / bid is available on

GWSSB’s official website.

Contractor’s Deputy Executive Engineer Executive Engineer

Sign Public Health Sani. Sub div P. H. Works Division

Junagadh Junagadh