By Constructor for Construction
Plan Civil construction ,In Industries the following Construction Facilities should be maintained
General construction process
- The Constructor (Contractor) shall be responsible for the control of water met within the excavations due to
ground water, springs, seepage, rain or other causes. He shall take all measures and necessary precautions to control water seepage into excavations by suitable diversions and by bailing out or by pumping, if necessary, to keep the excavations dry during excavation, concrete construction, and embankment or backfill placement and compaction.
- The Contractor shall submit to the Employer’s Representative for approval, details of such measures as he proposes to adopt for the control of water from any source. Notwithstanding any approval by the Employer’s Representative of the Contractor’s arrangements for the exclusion of water, the Contractor shall be responsible for the sufficiency thereof and for keeping the works safe at all times particularly during any floods, and for making good at his own expense any damage to the works including any that may be attributable to floods.
- Pumping from the interior of any foundation enclosure shall be done in such a manner as to preclude the possibility of the movement of water through any fresh concrete. No pumping shall be permitted during the placing of concrete or for any period of at least 24 hours thereafter unless it is done from a suitable pump separated from the concrete work by a watertight wall or other similar means.
- At the discretion of the Contractor, cement grouting or other approved methods may be used to prevent or reduce seepage and to protect the excavation area.
Works to be Kept Clear of Water
The Contractor shall keep the works well drained until the Employer’s Representative certifies that the whole of the works is substantially complete and shall ensure far as is practicable all work is carried out in the dry. Temporary works such as temporary dams, water courses and other works of all kinds including pumping and well-point de-watering that may be necessary to exclude water from the works while construction is in progress shall not be removed without the approval of the Employer’s Representative. The Contractor is to take all necessary precautions to avoid floatation of any partially completed structure.
Discharge of Water into Existing Streams
The Contractor shall make provision for the discharge or disposal from the works and temporary works of all water and waste products howsoever arising, and the methods of disposal shall be to the satisfaction of the Employer’s Representative and of any Authority or person having an interest in any pond or watercourse over or in which water and waste products may be so discharged. Care shall be taken so that discharge of drained water will not cause damage to the works, crops or any other property, the requirements of this clause shall not limit any of the Contractor’s obligations or liabilities, particularly as to Clause 22 of the Conditions of Contract.
. Costs incurred by the Contractor in complying with the requirements of this Section shall be deemed to be included in the prices tendered for the various items of the Bill of Quantities for which the control of the water is required and no separate payment will be made thereof.