#4 Granite Rock

City of Pittsburg

Supply of street materials ab-3 limestone roack and 3/4 clean rock.

Clean Water Services

Furnish all labor, materials, and equipment necessary to: Demolish and dispose of the existing Digesters 3 and 4 roof covers and related appurtenances, except for the pressure/vacuum relief valve assemblies, which are to be removed and returned to Owner for salvage; Temporarily remove and pull back all existing electrical, mechanical and instrumentation to allow full demolition and installation of new digester roof covers; Provide new digester covers and appurtenances on Digesters 3 and 4; Install conduit and all previously removed electrical, mechanical and instrumentation equipment; Provide sidewall hatches with access doors and pipe penetrations where shown at the lower level of both Digesters 3 and 4; Provide stairs from the roof of Digester 3 down to the roof of the adjacent building.

California Department of State Hospitals

Provide the DSH with removal of weeds, mulch, weed fabric & weed barriers & all sprinkler heads and cap them off. Removal of drip lines for irrigation on surface. Check the irrigation system for the trees in the planter to ensure it is working correctly, before installing decomposed granite. Prepping & level planters to install 38-40 yards of decomposed granite soil with stabilizer & compacting decomposed granite soil with plate compactor at the new main kitchen.