11-UT-002: Perform Exploratory Investigation of Damage Drain Pipes

Contractor: DZSP21

Location: Between B-372 & Commissary Back Gate, Naval Base, Guam

Start: April 2011

Complete: June 2011

Scope of Work:Saw cut section of asphalt pavement, approximately 10 feet x 4 feet, remove and dispose asphalt section. Excavate to expose damaged 24” steel pipe, cut and remove pipe section, approximately 8 feet long. Excavate 6” sub-base and place 6” bedding sand. Install 24” reinforced concrete pipe, 8 feet long, with concrete ring cast in place around joints. Place 3000 psi concrete around and over RCP, approximately 3 CY, finish level with existing asphalt pavement, broom finish.