NH WSA UNDER TRICHY RO

SITE CLEARANCE — Surface dressing of the ground including removing small plants, bushes ,vegetation (dia less than 4") and making surface levelled and disposal of rubbish outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge.

EXCAVATION IN EARTH UPTO — Excavation for foundation upto required depth below existing ground level up to 1.5m in any tyoe odf soil except hard rock. Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, trenches/plinth beam etccompacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete. The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths.

EXCAVATION - 1.5 TO 3 M — Excavation for foundation upto required depth below ground level in any type of soil except hard rock . Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, foundation, trenches/plinth beam etc compacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths.EXCAVATION IN EARTH UPTO 3 M

EXCAVATION - 3 TO 4.5 — Excavation for foundation upto required depth below ground level in any type of soil except hard rock . Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, compacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths. EXCAVATION IN EARTH BETWEEN 3 TO 4.5

EXCAVATION- HARD ROCK — Excavation for foundation upto required depth below existing ground level up to 1.5 m. depth in concrete road by chiselling / pneumatic drilling . Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the job to restore the original state of the ground and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including curing, watering and compaction and complete . The measurement of the excavation would be based on actual depth of excavation.

-EXCAVA-HARDROCK 1.5 3.0 — Excavation for foundation upto required in hard rock and excavation shall be done by chiselling / pneumatic drilling or Blasting. Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, trenches/plinth beam etc compacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths. EXCAVATION IN HARD ROCK 1.5 mts- 3.0 mts

-EXCAVA-HARD ROCK 3.0 4.5 — Excavation for foundation upto required in hard rock and excavation shall be done by chiselling / pneumatic drilling or Blasting. Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, compacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCL's premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths. EXCAVATION IN HARD ROCK BETWEEN 3 TO 4.5

SAND FILLING - LAYERS — Supply and filling with clean silver / river sand of approved quality in layers of 150 mm each including spreading, compacting by hand ramming and watering etc, all complete as per direction of Engg.-In-Charge. Measurement basis compacted thickness only.

CRUSHEDSTONESAND — Supply and filling with Crush Sand as per IS 21116-1980-2 & IS 486:2000 & IS 383.1970 The particle shape is semi rounded or cubical & not flakey or elongated. Dust percentage is strictly controlled 10 - 15% with fineness modulus 2.6 to 3. Supply and filling with Stone Crushed sand of approved quality in layers of 150 mm each including spreading, compacting by hand ramming and watering etc, all complete as per direction of Engg.-In-Charge. compacted thickness only.

MURRUM FILLING - LAYERS — Supplying and filling good quality murum in layers of 150 mm thick including watering and compacting till maximum compaction is achieved as directed by Engineer In Charge.Compacted volume shall be considered for payment.