CIVIL WORKS FOR LPG TANKER PARKING AREA-ANANTAPUR

STRUCT. DESIGN & LAY — Complete structural design and layout planning of the proposed LPG Tanker parking area by a qualified Chartered Civil Engineer. The final designshall comprehensively cover all engineering and construction detailsincluding subgrade preparation, sub-base and base course specifications,concrete grade and thickness, reinforcement detailing, dowel bar andjoint specifications. In addition, the layout plan shall clearlyindicate the arrangement of parking slots, movement paths, hydrantsystem layout, entry and exit markings, and other functional elementsnecessary for efficient and safe operation of the parking area. Thedesign shall conform to relevant IS/IRC/MORTH standards and be submittedin both hard and soft copy formats for review and approval. The quotedrate shall include all professional fees, site visits, site surveys,documentation, and revisions as required by the Engineer-in-Charge.

CLEARING OF BUSHES & — Clearing the designated approximately 7500 square meter area identified for the proposed tanker parking facility. This includes complete removal of all bushes, shrubs, vegetation growth, trees, and light undergrowth from the site using appropriate manual or mechanical means. The cleared material shall be collected, transported, and disposed of outside the project premises at a location approved by the Engineer-in-Charge, ensuring the site is left clean and free from debris, roots, or stumps, ready for further development activities. The scope includes the cost of all labour, tools, machinery, and equipment required for execution of the job, and the vendor shall arrange water, fuel, and electricity at their own cost.

EXCAVATION OF SOIL — Excavation up to a depth of 1.5 meters below existing ground level for foundations, plinth beams, drains or other structural requirements, in all types of soil including hard rock, using manual or mechanical means as necessary. The scope includes dressing of sides and bottom, shoring, strutting, bailing out of water if encountered, and backfilling around the completed foundations with proper compaction. Surplus excavated earth shall be transported and disposed of within or outside HPCL premises at an unobjectionable location approved by the Engineer-in-Charge, including spreading, watering, and compaction where required. Measurement shall be based on the actual depth of excavation carried out. The quoted rate shall include the cost of all labour, tools, equipment, and machinery required for execution, and the vendor shall arrange water, fuel, and electricity at their own cost. Vendor shall aim to maximise space utilisation while prioritising the safety and ease of truck/ Tanker movement within the parking area.

FILLING WITH AVAILABLE SOIL 2935-ANANTAPUR LPG PLANT — Filling with available soil sourced from Engineer-in-Charge approved locations within the plant premises, including areas falling within hazardous zones as applicable. Soil shall be loaded, transported using trucks, and filled in the identified peripheral ditches of the designated parking area as directed. The scope includes all labour, equipment, and machinery required for excavation, loading, transportation, unloading, spreading, and compaction of soil in layers to achieve the desired level and density. Movement of soil within the designated project area for grading purposes is excluded from this item. The vendor shall arrange water, fuel, and electricity required for execution at their own cost.

GRADING & COMPACTION OF — Grading and compacting of the subgrade over the entire designated parking area to achieve a minimum Modified Proctor Density (MPD) of 97% and a minimum California Bearing Ratio (CBR) of 5%, using 10–12 tonne vibratory rollers, suitable for subgrade compaction in heavy-duty pavement works. Grading shall be carried out to ensure a uniform surface with adequate slope towards the peripheral drains, as directed by the Engineer-in-Charge. No separate payment shall be made for movement of earth within the project area for the purpose of grading and levelling. The scope includes all labour, machinery, water, and fuel required for execution, and necessary testing such as field density tests (sand replacement/core cutter method), moisture content determination, and CBR testing through an approved third-party laboratory at a frequency and locations approved by the Engineer-in- Charge. All test results shall be submitted for verification and approval before further layer work is commenced.

S&L OF GSB INCL. — Supply and laying of Granular Sub Base (GSB) over the prepared subgrade for the designated parking area to a compacted thickness of 150 mm, in accordance with MORTH Specifications and IRC guidelines. The GSB material shall be well-graded crushed stone aggregates of size ranging from 75 mm down to 0.075 mm, free from organic or deleterious matter. Spreading shall be done uniformly, followed by compaction using vibratory roller of 10–12 tonnes to achieve 100% of dry density as per Modified Proctor Test (IS:2720 Part 8). Watering shall be done as required to reach optimum moisture content. Each layer shall be compacted until the specified density is achieved and surface is stable and properly interlocked. The scope includes cost of all materials, labour, tools, equipment, transportation, and testing. Testing shall be carried out for gradation, moisture content, and compaction density at specified frequencies as directed by the Engineer-in-Charge.

S&L OF WMM INCL. — Supply and laying of Wet Mix Macadam (WMM) over the prepared GSB layer for the designated parking area to a compacted thickness of 150 mm, in accordance with MORTH and IRC guidelines. The WMM material shall consist of clean, crushed, graded aggregates premixed with granular materials and water, uniformly mixed in a mechanical mixing plant. The mix shall be transported, spread evenly, and compacted in layers using 10–12 tonne vibratory roller to achieve 98% of maximum dry density as per Modified Proctor Test (IS:2720 Part 8). The WMM shall be laid in two layers if required, with each layer not exceeding 100 mm loose thickness before compaction. Watering shall be done as necessary to achieve optimum moisture content. The surface shall be properly compacted, stable, and free from segregation, honeycombing, or loose materials. The scope includes cost of all materials, labour, tools, equipment, mixing, transportation, laying, compaction, and testing. Testing for gradation, moisture content, and compaction density shall be carried out at specified frequencies as directed by the Engineer-in-Charge.

S&L OF RCC M30 — """Supply and laying of 200 mm thick RCC driveway using approved M30 design mix concrete without fly ash, executed through RMC plant or reversible concrete mixer (mini mobile batching plant). The mix shall contain minimum 410 kg cement per cubic meter, using 20 mm and downsize crushed stone aggregates, in accordance with IS 456: latest edition, and mix design as per IS 10262 / SP 23. The concrete shall be laid in properly planned panels using slotted MS channel shuttering, machine mixed, and placed with the help of screed board vibrators. The surface shall be vacuum dewatered, power trowelled, and finished to a smooth texture. Pond curing for a minimum of 14 days shall be ensured. Approved quality polythene sheet shall be provided beneath the concrete layer. Concrete additives like plasticizers and surface hardeners for heavy traffic use shall be added as per manufacturer recommendations. Slabs for the parking area shall preferably be in panels of size 4.5m x 3.5m. Surface preparation shall include levelling depressions in the base using 20 mm aggregates and stone dust. Tubing, ducting, trenching, and embedded items (if any) shall be properly coordinated with HPCL representative before concreting. Panel layout, joint positions (expansion/contraction), and casting sequence shall be prepared and submitted to the Engineer-in-Charge for approval before commencement. Testing of concrete cubes, aggregates, sand, cement, water, and mix materials shall be done at contractor's cost, including submission of design mix report from a government-approved laboratory for each source of material. Note: This item excludes cost of reinforcement steel, dowel bars, expansion joint fillers, groove cutting, which shall be paid separately under respective items. No extra payment shall be made for formwork, shuttering, or curing arrangements. Pre-concreting and post-concreting levels shall be jointly recorded with HPCL representative to verify the thickness and slope compliance."""

S,F&P OF REINFORCEMENT — """Supply, fabrication, and placement of HYSD reinforcement bars conforming to IS 1786 (latest edition) of minimum grade Fe-415 or higher TMT bars as per approved structural drawings and specifications, for use in slabs, pedestals, foundations, and other RCC elements. The scope includes cutting, bending, cranking, placing, and tying the bars using 18 SWG black annealed binding wire, complete in all respects. The reinforcement shall be laid accurately in position at all heights and depths as per drawings, maintaining correct cover using necessary supports and spacers (which shall be deemed included in the quoted rate). Chairs, cover blocks, hooks, and laps shall be provided as required but shall not be paid separately. Weight of binding wire shall also not be considered for payment. Payment shall be made on the basis of theoretical weight derived from reinforcement drawings, including all authorized overlaps and as approved by the Engineer-in-Charge. The contractor shall ensure cleanliness, rust-free condition, and proper alignment of rebars prior to concreting."""

CONST OF EXPANSION — Construction of expansion joints in RCC pavement as per IRC and MORTH specifications, including provision of 20 mm wide joints at designated locations and full depth of the slab (200 mm), to permit thermal expansion and contraction of the concrete. The joint shall be formed using pre-moulded compressible filler board conforming to IS:1838 (Part 1) or equivalent, with proper vertical alignment and anchoring during slab casting. Top 25 mm shall be cleaned and sealed using approved elastomeric joint sealant after suitable curing period and preparation of joint walls. All equipment, labour, tools, sealants, filler board, primer, masking tape, and consumables required for the execution of the expansion joints shall be in vendor scope. Supply and installation of dowel bars and sleeves, if any, shall be under a separate item.