ROU CIVIL M&R JOBS- VVSPL,SURYAPET SPREAD

Excavation up to 2.5 meter — Manual excavation in all types of soil including excavation of soft, medium and hard rocks up to depth of 2.5 meter by taking all necessary safety precautions, all tools, tackles, dewatering, manpower etc. as per instruction of Site Engineer. The excavated soil shall be stacked in heaps close to the spot of excavation. The party should note that during excavation <(>&<)> removal of the soil from the pit, boulders of varying size up to a maximum of 500 mm may be encountered. The party should take all the possible precaution to ensure that the boulders are removed using appropriate tools and tackles without causing any damage to HPCL’s fixtures viz., Floating, casing pipes, OFC, carrier pipe etc. HPCL cannot guarantee for minimum quantities at the site after mobilization of the equipment. Rate also to include backfilling of the excavated soil after completion of job.

Excavation beyond 2.5 meter — Manual excavation in all types of soil including excavation of soft, medium and hard rocks beyond depth of 2.5 meter by taking all necessary safety precautions, all tools, tackles, dewatering, manpower etc. as per instruction of Site Engineer. The excavated soil shall be stacked in heaps close to the spot of excavation. The party should note that during excavation <(>&<)> removal of the soil from the pit, boulders of varying size up to a maximum of 500 mm may be encountered. The party should take all the possible precaution to ensure that the boulders are removed using appropriate tools and tackles without causing any damage to HPCL’s fixtures viz., Floating, casing pipes, OFC, carrier pipe etc. HPCL cannot guarantee for minimum quantities at the site after mobilization of the equipment. Rate also to include backfilling of the excavated soil after completion of job.

Mechanical Excavation — Depending upon the site condition the contractor may be asked to carry out the excavation by mechanical method. Mechanical excavation may be carried out with a Proclain, JCB etc. The excavation by machinery shall be permitted to excavate up to 500mm only above the top of carrier pipe / casing pipes. The balance portion from 500mm above the pipe and up to 600 mm below the bottom surface of the pipe to be carried out by manual means only. At no stage damage to casing pipe, carrier pipe <(>&<)> coating, OFC cable etc is permitted. Contractor has to take utmost care to avoid damage to pipeline. Rate also to include backfilling of the excavated soil after completion of job.

Soft padding with sand — Job includes providing soft padding with good quality river sand. Scope of job includes transportation of sand from sand quarries to site, spreading of sand in layers in thickness of 200 mm manual compaction, watering, supply of labor, tools, tackles etc. Job shall be completed as per instruction of Site Engineer.

Back filling with obtained soil — Back filling (Where ever padding is required to be carried out as explained elsewhere in this scope) shall be done after removing ve getation, trees, roots etc. in layers not exceeding 300 mm thick and manual consolidation / compaction shall be done. This will be done with the soil obtained from the excavation or by selected materials as directed by the Site Engineer. The top 200 mm above the pipeline has to be filled with soft soil free from stones, gravel’s, material with sharp edge which may cause damage to the pipe coating as well as pipe metal surface. Where sufficient suitable material is not available from the excavation, the contractor shall transport suitable earth from different sources. The refilling shall be done in horizontal layers of thickness not exceeding 300 mm free from air pockets with careful watering, ramming, rolling etc. Water shall always be sprayed and not poured. The spraying shall be followed by manual compaction. The CONTRACTOR shall not fill around any work, until it has been approved by the site Engineer. Back filling around pipe and cable shall be done only after approval of site engineer is taken. MEASUREMENTS: The length, breadth and depth shall be measured to nearest centimeter and the quality backfilled shall be worked out in cubic meters to two decimal places. The depth shall be taken as per the drawing or as excavated under site conditions as instructed by the Site Engineer.

RCC(1:2:4) — Scope of Job includes providing <(>&<)> laying RCC (1:2:4). Job includes supply of cement, sand aggregate, water, labour, provision of temporary side shuttering, centering, ramming, tamping , vibration , supply of manpower , tools , tackles , curing etc. Coarse aggregate shall be 20mm well graded aggregate. Party to note that Supply of steel for reinforcement is not included in this item. Job shall be completed as per instruction of Site Engineer. Rates quoted shall be inclusive of the same.

RR Stone Pitching — Scope of Job includes supplying and providing stone pitching with cement mortar (1:5). Job includes filling of stone pitching with cement mortar (1:5) in joints of any approved pattern for slopes, berms, embankments etc., surface matching of specified joints with cement mortar (1:5), preparation of surface, dressing, curing of joints for a period of six days etc. Cement mortar (1:5) shall be hand packed to achieve specified thickness. Job shall be completed as per instruction of Site Engineer. Rates quoted shall be inclusive of the same.

Random Rubble Masonry — Scope of Job includes providing and laying Sub <(>&<)> Super Random Rubble Masonry in specified thickness, job includes building structure with approved quality sand stone or khandolite stone, filling the joints with cement mortar (1:5), transportation of stone from quarry to site, labor and curing for a period of six days. The party has to obtain prior approval for the quality of the stone from the Engineer in Charge before commencement of work. Job shall be completed as per instruction of Site Engineer. Rates quoted shall be inclusive of the same.

BRICK MASONRY(CM 1:5) — Scope of Job includes providing <(>&<)> constructing 230 mm (full brick) thick brick masonry using cement mortar (1:5). Bricks used shall be of minimum B 35 class as per relevant IS Quality. Job includes necessary scaffolding, soaking of bricks in water, applying uniform thickness of cement mortar as per IS specification at all joints, construction to true line and level, breaking all vertical joints, racking of joints, water curing continuously for a specified period for all depth and heights. The thickness of wall shall be as per the actual measurements. Job shall be completed as per instruction of Site Engineer. Rates quoted shall be inclusive of the same. Maximum allowed height of brick masonry for single day is 5 feet.

STEEL REINFORCEMENT — Scope of Job includes supply of reinforcement steel of grade FE 415 or higher conforming to IS:1786 for providing reinforcement in RCC, Brick Masonry etc. Scope of job includes cutting, bending and binding of reinforcement steel to form a mesh of suitable size using 20 SWE black wires. Transportation of reinforcement steel to site and placing it at position for RCC <(>&<)> other work is in the scope of the party. Job shall be completed as per instruction of Site Engineer. Rates quoted shall be inclusive of the same. Steel bars and wires for concrete reinforcement conform to IS: 1786 and make shall be of VSP/SAIL/TISCO/JINDAL or any other make approved by Officer in charge which is available at the work place.