RR MASONRY BOUNDARY WALL WORK-MADURAI RAILWAY SIDI

EXCAVATION OF EARTH — xcavation by manual or mechanised method in foundation, duct banks, culverts and trenches/pits in all types of soil viz. Earth, sand gravel, clay, soft & hard murrum etc. (excluding hard rock) for footings, steps, plinth beams, equipment foundations, drains, trench , culverts, duct banks, manholes, underground tanks/pits, etc including shoring strutting, dewatering where required (until foundati work is complete). Item also includes carting of surplus excavated earth, stacking, spreading and levelling surplus materials withi HPCL's premises at an approved place for all leads as per instructions of engineer in charge (rate includes removal of any vegetatio small shrubs etc. Having girth of 300mm or less). Excavated volume as per approved drawing (foundation/structure size) shall only b considered for measurement. Complete as per project drawings, specifications and as directed by engineer in charge. Excavation up to .5 m below BGL/FGL Note: 1)

EXCAVATION OF EARTH : — xcavation by manual or mechanised method in foundation, duct banks, culverts and trenches/pits in all types of soil viz. Earth, sand gravel, clay, soft & hard murrum etc. (excluding hard rock) for footings, steps, plinth beams, equipment foundations, drains, trench , culverts, duct banks, manholes, underground tanks/pits, etc including shoring strutting, dewatering where required (until foundati work is complete). Item also includes carting of surplus excavated earth, stacking, spreading and levelling surplus materials withi HPCL's premises at an approved place for all leads as per instructions of engineer in charge (rate includes removal of any vegetatio small shrubs etc. Having girth of 300mm or less). Excavated volume as per approved drawing (foundation/structure size) shall only b considered for measurement. Complete as per project drawings, specifications and as directed by engineer in charge. Excavation from 5 m to 3.0m below NGL/FGLNote: 1)

EXCAVATION IN HARD ROCK — cavation in hard rock for foundation upto required depth below existing ground level hard rock. Rate to include dressing the sides a bottom, bailing out of water if encountered, backfilling (spreading & levelling) after the construction of foundation, compacting b the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as di cted by the engineer in charge including spreading, watering and compaction, complete

BACK FILLING & COMPACTION 2947-MADURAI LPG PLANT — lling with selected excavated approved quality earth available & stacked elsewhere within HPCL's plant premises in plinth, foundatio & other places as advised by HPCL including spreading & levelling in layers of 200 mm thick, watering and compacting with vibrator r ler/ mechanical compactor (based on area of usage and as directed by HPCL) till maximum compaction that is 95% modified proctor dens y is achieved. Complete in all respect as per tender specification / scope of work etc., contractor has to send the soil samples fro site for testing at HPCL approved lab. Degree of compaction of each layer has to be tested at site using core cutting test. The rate uoted by the contractor shall include the cost of the above tests.

SUPPLYING & FILLING OF — arse sand filling: supplying and providing natural river/machine sand in layers of 150m loose thickness and compacted with mechanica roller or compactor with applicable testing through sand replacement/proctor method wherever applicable including all labour, materi s, tools, watering, compacting, etc all complete. Sand shall conform to zone-3 or zone-4.

SUPPLYING & FILLING OF — pplying and filling earth: supplying and providing locally available filling earth with PI not greater than 21 and MDD not lower tha 1.5 gm/cc and fines not exceeding 20% from borrow pits out side HPCL premises, for all leads and drips including testing before supp , payment of all royalties, excavation at barrow pit, loading, transportation from barrow pit to plant and spreading in layers not e eeding 300 mm loose thickness, watering and compacting with vibratory roller/plate compactor to achieve 95% laboratory MDD, site te ing, all complete. MDD shall be carried out in field at the rate of 1 test for every 250 sqmt of area filled. Omc of filling shall e determined by hand held digital meter. The initial filling should start only after stripping the area from bushes, grass and other egetation. No separate payment will be made for clearing bushes, vegetation and other materials. Job to be completed as per attached echnical specification and as directed by HPCL engineer-in-charge complete.

SPLY AND LAYG OF — upply and laying of plum concrete PCC 1:4:8 using 40mm downgraded aggregates below foundations, plinth, etc. Job includes volumetric ixing at site using hopper concrete mixer as per guidance of HPCL engineerNote: 1) The rate also includes cost of providing offse , cutouts, good quality plywood shuttering, construction joints, making holes in or cutting formwork for taking out dowel bars, hack g the exposed surfaces to receive plaster as necessary. 2) To get required workability or for any other reason whatsoever if addit es, plasticizers etc. Are to be added, the cost of procuring and adding the same shall be included in the cost of concrete unless sp ified otherwise."

SPLY AND LAYG OF PCC 1:3:6 — upply and laying of volumetric mix PCC 1:3:6 for grade foundations, plinth, etc. Min. Cement content as per IS 456. Job include vol etric mixing at site using hopper concrete mixer as per guidance of HPCL engineer.Note: 1) The rate also includes cost of providi offsets, cutouts, good quality plywood shuttering, construction joints, hacking the exposed surfaces to receive plaster as necessar 2) To get required workability or for any other reason whatsoever if additives, plasticizers etc. are to be added, the cost of pro ring and adding the same shall be included in the cost of concrete unless specified otherwise."

SPLY AND LAYG OF RCC ,M25 — roviding and laying volumetric mixed concrete of M 25 grade with well graded stone chips of 20 mm nominal size containing volumetric ix of cement, sand & aggregates. Volumetric concrete mix shall be as per IS 456, placing the mix in its final location of form work mpacting and curing the same complete as per specification & direction of the engineer-in-charge with all accessories, vibrators etc Inclusive of all other incidental charges in this connection complete. Job shall be done in calibrated batch mixer at site. Min. Cem t content shall be 320 kg/m3.Note: 1) The rate also includes cost of providing offsets, cutouts, good quality plywood/ MS sheet sh tering, construction joints, making holes in or cutting formwork for taking out dowel bars, hacking the exposed surfaces to receive aster as necessary. 2) To get required workability or for any other reason whatsoever if additives, plasticizers etc. Are to be add , the cost of procuring and adding the same shall be included in the cost of concrete unless specified otherwise.3) Cost of reinfor ment bars will be paid in steel reinforcement item"

COPING OF WALL RCC 1:1.5:3 — upplying and laying reinforced cement concrete of volumetric mix 1:1 1/2:3 (1 cement: 1 1/2 sand: 3 coarse aggregates) grade concret with 20 mm downgraded coarse aggregate for coping on top of boundary wall, including shuttering at all level as per drawings, speci cations and instruction of engineer.Concrete cubes tested on 28 days shall give a result meeting M-20 requirements of is 456. Reinf cement shall be paid extra in separate item."