In this geotechnical investigation, 3 soil borings are to be drilled to a maximum depth of 70feet. Borings will be drilled via hollow stem auger. Each bore hole will be abandoned in accordance with the well permit conditions

New 13 story, 222 unit multi-family apartment building.

Revisions to issued building permit b1302955 to change interior layout on first floor, removing proposed retail layout and replacing with additional accessory apartment building use, as well as raising the height of the elevator penthouse.

A griffin hollow stem auger drill rig will install up to fifteen gravel pack wells, by advancing a 8. 25 id hsa from existing grade to a depth of feet or refusal. All drill cutting and investigating derived wastes from potentially contaminated sites shall be placed in a covered container and laboratory tested for off-site disposal by contractor. A two foot hydrated bentonite pellet seal will be placed above the stone. The balance of the borehole will be filled with bentonite cement mix 60:40, consisting of 1 lbs bentonite powder, 94 lbs, cement hydrated with 82 gallons of water, or 3:1 solids lbs. And water gallons, or 3:1 solids lbs, and water gallons. Into each well will be installed a 1 hp. Turbine submersible pump with discharge riser, power cord and lift cable to the surface. At the well head , a throttle valve and check valve will be installed on the effluent line, for each well will be directed through a common manifold to a baffled settling tank located at a location as directed

Drilling 5 soil borings - 25 feet depth mobilize drill rig to advance soil borings. Work will be performed according to work plan.

Sheeting and shoring along 1st and k st ne as well as adjacent neighbor to the north. Beam and raker support of wmata property to the east.

Installation of 1 temporary construction trailer on private property.

Contractor to install underground water and sewer utilities along first street corridor. Under existing construction excavation permit pa183492-r1.

Contractor to install underground water and sewer utilities along 1st street corridor. Under existing permit pa183492-r1.

After hours permit for monday april 17th, dc emancipation day. Existing building permit nos. B1612448 and b1302955.

Requesting an after hours permit for work on presidents day, feb 20, 2017. We have an existing building permit b1612448.

Electrical

Proposed work consist on two exploratory borings will be advanced to a depth of 75 feet using mud-rotary. A bentonite/water mixture -2lb bentonite per 1 gallon water- will be used to grout voided space upon completion of drilling. Spoils will be sealed in barrels and bulk samples will be collected and sent to a laboratory for environmental classification. Once the results are available, the drums will be hauled off site to a proper disposal facility. Soil boring diameter 3 1/2 inches, as per dc well construction application, dc well schematic application, work plan report and site plan. All work will be conducted under ddoe/wqd regulation.

Afterhours to pour concrete with pump truck from 6 15 2017 thru 7 15 2017 from 3am to 9pm

Contractor to install underground utilities along 1st street, corridor. Monday - friday 7pm-4am