This bid is for crawlspace mechanical and plumbing improvements at the Oscar Johnson Jr. Enrichment and Recreation Center in Conroe, Texas, to address groundwater intrusion and humidity.
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What the job is
Dehumidification: Install Aprilaire E130 dehumidifiers or approved equal, suspended with stainless-steel supports, with condensate drainage to sump pits and condensate pumps where needed.
Ventilation: Install stainless-steel or aluminum motorized outside-air dampers with weather-tight closure panels; interlock with the existing ventilation fan and update humidity controls.
Sump systems: Install sump pits and Zoeller M53 pumps rated 34 GPM at 10-foot head, 1/3 HP, 120V, with valves and connections.
Drainage and plumbing: Install Schedule 40 PVC pumped stormwater piping connected to existing drainage, plus expansion joints at existing stormwater and sanitary pipe penetrations. Confirm piping sizes and materials against the plans and specifications before pricing.
Insulation treatment: Clean and disinfect existing spray foam with Foster 40-80 or approved equivalent, then apply Foster 40-20 protective coating.
Electrical: Provide dedicated 120V, 20A GFCI circuits for each pump and dehumidifier, damper power, and associated wiring; verify existing panel capacity.
Complete installation: Include labor, materials, stainless-steel supports, field verification, permits, inspections, testing, startup, and commissioning.
XL Eagle