Sand Content (percent) Sand API 13B-1 - before final less than or equal to Section 5 cleaning 0.5 -just before placing concrete *When approved by the Engineer, slurry may be used in salt water, and the allowable densities may be increased up to 2 pcf. Slurry temperature shall be at least 40°F when tested. Water Slurry At the option of the Contractor, water may be used as slurry when casing is used for the entire length of the drilled hole. Water slurry shall be tested for conformance to the requirements shown in the following table: WATER SLURRY PROPERTY REQUIREMENT TEST Density (pcf) Mud Weight - before (Density) cleaning 63.5* API 13B-1 - just before placing Section 1 concrete Sand Content (percent) Sand API 13B-1 - before final less than or equal to Section 5 cleaning 0.5 -just before placing concrete *When approved by the Engineer, salt slurry may be used and the allowable densities may be increased up to 2 pcf. CONSTRUCTION General CIDH concrete piling 24 inches in diameter or larger may be constructed by excavation and depositing concrete slurry. CIDH concrete piling (rock socket) shall consist of drilling or coring sockets in rock to the depths or lengths specified and filling the sockets with reinforced concrete. Cored holes shall conform to the provisions of Section 49-4.03, "Drilled Holes," of the Standard Specifications. Disposal of drill cuttings shall conform to the provisions in of these special provisions.
Sand Content (percent) - before final cleaning -just before placing concrete less than or equal to 0.5 Sand API 13B-1 Section 5 *When approved by the Engineer, slurry may be used in salt water, and the allowable densities may be increased up to 2 pcf. Slurry temperature shall be at least 40°F when tested. Water Slurry At the option of the Contractor, water may be used as slurry when casing is used for the entire length of the drilled hole. Water slurry shall be tested for conformance to the requirements shown in the following table: WATER SLURRY PROPERTY REQUIREMENT TEST Density (pcf) - before cleaning - just before placing concrete 63.5* Mud Weight (Density) API 13B-1 Section 1 Sand Content (percent) - before final cleaning -just before placing concrete less than or equal to 0.5 Sand API 13B-1 Section 5 *When approved by the Engineer, salt slurry may be used and the allowable densities may be increased up to 2 pcf. CONSTRUCTION General CIDH concrete piling 24 inches in diameter or larger may be constructed by excavation and depositing concrete slurry. CIDH concrete piling (rock socket) shall consist of drilling or coring sockets in rock to the depths or lengths specified and filling the sockets with reinforced concrete. Cored holes shall conform to the provisions of Section 49-4.03, "Drilled Holes," of the Standard Specifications. Disposal of drill cuttings shall conform to the provisions in of these special provisions.
2006_Piling_Electrical_SSPs_03-13-12.docx