bids are invited for custom bid for services - item no 1 of boq for fgm qualified maintenance and operation of self contained sewage treatment plant of capacity 720 cum per day at north camp ats belgaum all as described for 668 shifts , custom bid for services - item no 2 of boq for maintenance and operation of swimming pool installation including minor maintenance and cleaning the surrounding area all as described for 668 shifts , custom bid for services - item no 3 of boq for testing of chemical tolerances of water for swimming pool will be carried out every quarterly from nabl all as described for 4 jobs , custom bid for services - item no 4 of boq for cleaning of swimming pool of size 26m x 125m bottom and side walls by using suction sweeper fitted with nylon brush twice in a week all as specified for 96 jobs , custom bid for services - item no 5 of boq for testing of treated sewage water sample once in three months by sending the treated water samples to the authorized nabl certified laboratories at bangalore pune goa or any other nabl all as specified