Specifications include, but are not limited to: - Disassembly – (as needed) shade structures, entry tubs (2) slides, post and rope barrier, perimeter metal fencing and other items that might impede access to piping and / or job site. - Concrete Removal – removal of existing concrete decking in areas as needed to replace filtered water return piping. - Excavation – removal of soils and gravel to reach filtered water return piping. - Piping Removal - Removal of current C900 piping and MJ fittings – filtered water return piping. 2”/1.5” schedule 80 piping from pool wall to MJ-tee to be removed as necessary. Piping inside pool wall to left in place. - Schedule 80 PVC (glue joint) pipe and fittings - construct new filtered water return piping. o Piping - Installation to follow piping size (6”, 4”, 3”, etc.) as removed and/or shown on original park drawings. o Pressure testing - Once piping “loop” (piping from 8” trunk to loop around pool) is complete a static pressure test using water and air will be performed. Test parameters; 24 hours @ 30 PSI o Support Blocking – Installation of support blocking (concrete under main trunk loop) to prevent possible movement/settlement of piping. Blocking to be placed at strategic locations along main trunk loop. o Inspections – replacement piping to be inspected by Arkansas Department of Health in accordance with State Regulations to verify proper piping size and installation. o Deck Drains – installation, as needed, of deck drains and associated piping that will be removed during project. o Backfill – installation of existing (excavated) #57 gravel to bottom of piping, installation of ¼”x1/8” small fines around piping and to 6” over piping, installation of existing #57 rock to finish grade for concrete. Each fill/lift to be compacted (plate compactor). - Anchors – installation of new hard rail anchors, existing shade anchors, etc. Anchors will have to be removed during removal of decking. - Bonding – installation of #8 solid bonding wiring, as needed, to pool rebar grid, rail anchors, shade anchors, etc. as required my NEC60 electrical code. City to inspect as required. - Decking – installation of 3.5” to 4” of concrete decking (as removed). o Dowel pins – Installation of smooth dowel pins into pool wall to prevent possible deck settling. Installation of ribbed dowel pins into existing (remaining) deck to prevent horizontal movement and possible deck settling. o Concrete – 3500 PSI mix o Finish – Light broom. Sample finish to be approved by Owner. o Saw Cuts – re-establish along existing cuts, the concrete “soft” cuts, as needed, in decking. - Fencing and Barriers – installation of any metal fencing and /or post and rope barriers that would have been removed for project - Caulking – installation of 3/8” to ½” wide polyurethan caulking between decking and pool wall. Construction joint between existing deck and new deck will not be caulked. - Cleanup – o Decking – Power wash existing deck within area of construction to remove any dirt, equipment tracks, etc. o Landscaping – return dirt / landscaping to original conditional. Areas of dirt to be seeded and covered with straw.
