Construction of Rain Water Harvesting System at ISP Premises under the Jal Shakti Abhiyan Catch the Rain Campaign

Hydrogeological Survey and Investigations for Groundwater Recharge Feasibility Using Vertical Electrical Sounding (VES) and EM Profiling Techniques (1×2=2 AU)

Sr.n o.2 sub item

Borewell Survey for Identification of Fracture Zones for Groundwater Recharge (Up to 90 Meter Depth) (1×2=2 AU)

Tender No: SPMCIL/CPP/ET/6000019500

Mobilization of Equipment for Bore Well Drilling (1×2=2 AU)

Borewell Survey for Identification of Fracture Zones for Groundwater Recharge (Up to 90 Meter Depth) Bore Well Drilling (Up to 90m Depth and above as per requirement) Boring/Drilling of Bore Well of 4.5" diameter (nominal bore size) shall be carried out up to a depth of 90 meters below ground level, using a suitable drilling method depending on the nature of soil/rock strata encountered and as prescribed in IS: 2800 (Part I). Qty-Minimum 90meter ×2=180 meter

Flushing of Borewell (Up to 90m Depth): Qty (1×2=2 AU)

Excavation for any type of soil including soling, Concrete for foundation, plinth beam, trenches, pavements etc. including dressing the sides, levelling, grading, ramming of bottom, bailing out water if encountered, shoring, strutting, backfilling and compacting the excavated earth in the sides of foundations. Rate to include carting away surplus excavated earth outside the premises to an unobjectionable place, normal dewatering, preparing the bed for foundation and excluding backfilling, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed all complete as per direction by Consultant/ Engineer-In-Charge. (Lift up to 0.00 to 1.50 m.) By Manual Means. Qty- (15.09×2=30.18 cubic meter)

Excavation for any type of soil including soling, Concrete for foundation, plinth beam, trenches, pavements etc. including dressing the sides, levelling, grading, ramming of bottom, bailing out water if encountered, shoring, strutting, backfilling and compacting the excavated earth in the sides of foundations. Excavation shall be to the required width, depth, and alignment as per drawings or site instructions Rate to include carting away surplus excavated earth outside the premises to an unobjectionable place normal dewatering, preparing the bed for foundation and excluding backfilling, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed all complete as per direction by Consultant/ Engineer-In-Charge. (Lift up to 1.50 to 3.00 m.) By Manual Means. qty - 10.35×2=20.70 cubic meter

Excavation for any type of soil including soling, Concrete for foundation, plinth beam, trenches, pavements etc. including dressing the sides, levelling, grading, ramming of bottom, bailing out water if encountered, shoring, strutting, backfilling and compacting the excavated earth in the sides of foundations. Rate to include carting away surplus excavated earth outside the premises to an unobjectionable place normal dewatering, preparing the bed for foundation and excluding backfilling, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed all complete as per direction by Consultant/ Engineer-In-Charge. (Lift up to 3.00to 4.50 m.) By Manual Means. Qty- 35.32×2=70.64 cubic meter

Providing and applying pre-constructional anti-termite treatment in strict accordance with IS 6313 (Part-II): This includes comprehensive soil treatment using a chemical emulsion to create a chemical barrier against termite infestation. The treatment shall be carried out at the rate of 5 litres of emulsion concentrate of 1.0 percent of chlorpyrifos per square meter of surface area. The application shall cover the bottom surface and vertical sides of all foundation trenches, pits, and excavated areas prior to laying any concrete or foundation material. The treated surface should be protected from damage or disturbance until the foundation work is commenced. All materials, equipment, and methods used shall comply with the latest revision of IS 6313 (Part-II), and the work shall be executed by under the supervision of qualified technicians and /or as per direction by representative of ISP. Qty-37.25×2=74.50 square meter

Sr.n o.8 sub item

First Flushing Chamber: Plain Cement Concrete (PCC) Bedding and Paving: Providing and laying in-situ plain cement concrete (PCC) of mix proportion 1:2:4 with graded trap metal aggregate, 20 mm nominal size, for bedding, paving, foundations, and steps. The scope includes thorough site preparation, dewatering/bailing out water manually (if encountered), surface levelling, and placement of concrete in specified layer. Work includes supply and erection of appropriate formwork and cantering using steel/wooden shuttering (if & as applicable), ensuring correct dimensions and alignment. Concrete shall be properly compacted to eliminate air pockets and achieve uniform density. Surfaces shall be roughened with a brush finish if a special finish is required. Any honeycombing or uneven surfaces shall be rectified using approved repair mortar. Continuous curing shall be carried out to ensure proper strength development. Qty- 1×2=2 AU

Brick Masonry Work: Construction of 350 mm thick brick masonry in cement mortar 1:6 using well-burnt, sound, second-class conventional/IS-type clay bricks, properly soaked before use. Masonry to be laid in true plumb, level, and alignment with properly staggered joints. Joints shall be kept uniform and raked to a depth of 12 mm to receive plaster. All work to be carried out as per the direction of representative of ISP. Qty- 1×2=2 AU

Internal Cement Plastering: Providing and applying internal cement plaster in two coats – a 12 mm thick base coat followed by a 6 mm finishing coat, both in cement mortar 1:4. Surface preparation includes cleaning of masonry, removal of loose materials, wetting the surface, and applying a bonding coat if required. Plaster shall be applied uniformly with a smooth or sand-faced finish as specified. Proper curing of the plaster surface shall be done for a minimum of 7 days to prevent cracks and ensure strength all completed as per direction of representative of ISP. Qty- 1×2=2 AU

Mild Steel Ladder Installation: Supplying, fabricating, and fixing a 45 cm wide mild steel ladder made from 40 mm x 6 mm flat mild steel bars, to be used for access to Recharging pit. Ladder to be fixed rigidly in position by embedding the top in RCC Slab for firm anchorage, ensuring vertical alignment and stability. All metal components to be painted with one coat of red oxide primer followed by two coats of synthetic enamel paint. Qty- 1×2=2 AU

Reinforced Cement Concrete (RCC) Slab: Providing and laying cast-in-situ or ready-mix concrete of M20 grade for RCC slab work. Concrete to be mixed, transported, placed, compacted, and finished as per IS 456 guidelines. Slab to be reinforced with TMT bars of FE 500 grade, conforming to IS 1786, of required diameter and spacing. Reinforcement shall be properly bent, tied, and placed with specified cover blocks to ensure correct positioning. Adequate formwork and cantering to be provided with sufficient supports and bracing to prevent deflection. Curing of the RCC slab shall be ensured for a minimum of 7 days to ensure proper strength. Qty- 1×2=2 AU

Precast RCC Manhole Cover and Frame – Supply, Laying & Installation Providing and laying precast reinforced cement concrete (RCC) manhole covers of standard sizes 900 mm x 900 mm, 900 mm x 600 mm, or 900 mm x 450 mm, as per site requirements and chamber dimensions, for effectively covering and sealing inspection chambers, manholes, and utility access points. The RCC covers shall be precast in factory-controlled conditions to ensure structural integrity, durability, and load-bearing capacity as per IRC guidelines for pedestrian and or depending on application. The cover shall be laid flush with the top level of the chamber and levelled carefully to ensure a uniform surface with proper seating. It should sit firmly on the frame without any wobble, gap, or tilt. For details of the work please refer Sr.no.9 of the technical specification- section VII of the tender document- Qty- 4×2=8 nos

R.C.C. Rings for Recharge Pit – Supply, Installation & Placement Providing, supplying, and installing precast Reinforced Cement Concrete (R.C.C.) rings of internal diameter 1.2 meters (1200 mm) and thickness ranging between 35 mm to 40 mm (approx.), with a standard height of 250 mm per ring, for construction of recharge pits. The R.C.C. rings shall be pre cast or site-cast with adequate strength, long-term durability, and resistance. Each ring shall be cast with accurate dimensions to facilitate vertical stacking, ensuring stability during installation and service. Placing and transportation of R.C.C. rings shall be done with care using cranes, chain pulleys, or manually (as appropriate), with slings. Installation involves placing to required depth, lowering the rings one by one using proper rigging and aligning them vertically. The entire work shall be carried out as per technical specifications, and directions of the representative of ISP, ensuring safety measures. Qty- 30×2=60 nos

Sr.n o.11 sub item

Providing and laying soling 230/ 150mm thick dry trap stone soling: Soling Work: For details of the work please refer Sr.no.11 (A) of the technical specification- section VII of the tender document- Qty-27.91×2=55.82 cubic meter

Dry Trap Stone Filling – 180 mm / 200 mm Thick (Hand Packed) Providing and laying dry trap stone filling up to a compacted thickness of 180 mm or 200 mm, as specified, using approved quality, durable trap stones of varying sizes (typically ranging from 80 mm to 200 mm) for backfilling in pits. The trap stones shall be clean, angular, sound, hard, and free from soil, dust, clay, organic matter, or any other deleterious materials. The use of rounded or flaky stones shall be avoided to ensure effective interlocking and load transfer. Stones shall be placed manually in layers. For details of the work please refer Sr.no.111 (B) of the technical specification- section VII of the tender document- Qty-30.68×2=61.36 cubic meter

Designing & Completion Certificate for Rainwater Harvesting (RWH) System: Scope of Work: The work involves the comprehensive design and documentation of a Rainwater Harvesting (RWH) system, including the preparation of all layout drawings, detailed engineering designs, technical reports, and issuance of a formal Completion Certificate. This certificate serves as an official acknowledgment of the successful completion of the design phase and implementation of the RWH system, conforming to applicable standards and the satisfaction of the Consultant/Engineer-in-Charge. For details of the work please refer Sr.no.16 of the technical specification- section VII of the tender document. Qty-1×2=2 nos

Triple Layer Filter Screen: Providing and Installation of Triple Layer Stainless Steel Wedge Wire Filter Screen Assembly with Activated Carbon and Filter Sand Media. Scope of Work includes the supply, installation, and assembly of a triple-layer filtration device, designed for use in groundwater recharge pits or other filtration units, as per the Code IS 8110:2000 and directions of the Engineer-in-Charge/Consultant. For details of the work please refer Sr.no.13 of the technical specification- section VII of the tender document- Qty-1×2=2 nos

Rooftop box filter: Providing and Installing Rooftop Box Filter with SS304 Wedge Wire Screen (V-Wire) for Rainwater Harvesting System as per IS 15797: 2008. Scope of Work involves the fabrication, supply, installation, and commissioning of rooftop box-type rainwater filters, to be installed at the junction of each rainwater down take pipe from building roof tops. The quantity of rooftop box filters may vary depending on the total number of down take pipes present on the roof top. These filters are designed to filter out suspended solids, leaves, silt, and debris from rainwater before it is directed to recharge pits, storage tanks, or stormwater drains. For details of the work please refer Sr.no.14 of the technical specification- section VII of the tender document. Qty-6×2=12 nos

Providing, Supplying, and Installing Digital Water Level Meter with Sensor-Based Technology: The work includes the supply, installation, testing, and commissioning of a digital water level meter system as pe2373:1981, suitable for monitoring rate of discharge in recharge pits, borewells. The system must include a sensor-based measurement mechanism, a digital display unit, and necessary electronics to ensure accurate and reliable performance under varying environmental conditions. Technical Specific

ations:For details of the work please refer Sr.no.15 of the technical specification- section VII of the tender document. Qty-1×2=2 nos

Providing, Laying, Fixing & Jointing 150mm dia. UPVC Pipes with Valve Cap, Fittings, and Accessories – Including Excavation and conforming to IS:4985 or equivalent approved make/manufacturer, including necessary bends, tees, reducers, couplers, end caps, elbows, and other fittings as required at site for inlet, outlet, overflow, or interconnection to the groundwater recharging unit, or other specified locations in the water supply / drainage / recharge system. -----------------------------------------------Pipes are properly chamfered and cleaned before jointing. The insertion depth is marked and maintained. Joints are left undisturbed for curing time (where solvent is used). For details of the work please refer Sr.no.12 of the technical specification- section VII of the tender document- Qty-145×2=290 meter

Debris Removal: Removing any kind of debris including loading and unloading etc. The work involves the thorough removal and disposal of all types of construction-related debris from the site, including loading, unloading, transportation, and disposal at an approved dumping ground inside the premises. The scope also includes cleaning the work site to ensure it is free from any construction waste. Ensuring no damage is caused to existing structures, underground utilities, or adjoining property during the loading process. Transporting the collected debris to a designated and authorized disposal site as approved by the Engineer-in-Charge/Local Authority. Including all labour charges for collection, loading, unloading, and site cleaning, equipment and machinery hiring charges. For details of the work please refer Sr.no.17 of the technical specification- section VII of the tender document. Qty-1×2=2 AU

Breaking & Remaking of Existing Pavement: Breaking of existing tiled pavement for construction of First flush chamber, Recharging pit. Work includes breaking & remaking of concrete/pavement up to 350mm thick. etc. all complete as per direction of Consultant/Engineer In-charge Safe disposal of broken concrete, debris, and excess excavated material to approved disposal sites. After completion of below-ground works, the pavement shall be Reconstructed using Same type of tiles/blocks or new matching material if reuse not possible. Fresh bedding layer (stone dust/sand/murrum) properly compacted. Cement concrete or lean concrete base layer, if originally present. Ensure levelling, compacting, alignment, slope and proper jointing as per original pavement. Any jointing material (sand/grout) shall be reapplied as needed. Surface finishing & cleaning and all surplus material removed from the site. Ensure remade pavement is flush with existing pavement, safe for pedestrian/vehicular use, and free of cracks or unevenness. For details of the work please refer Sr.no.18 of the technical specification- section VII of the tender document. Qty-1×2=2 AU