Gsi plans to drill 2 soil test borings to confirm soil strength with a hollow-stem auger equipped with a split spoon sampler for the spt n-value tests down to a maximum depth of feet below existing grades. All borings will be drilled to the maximum depth or auger refusal whichever occurs first. The boreholes dimension will be 3. 25 inches and shall be grouted upon completion. See attached work plan.

Brick commercial 3 story building - raze activitiers to exclude removal of front facade

The proposed project is a new six story above grade seven level building consisting of five stories of apartments totaling units on top of one level of street retail and residential lobby area all grade with an underground parking level accessed from the rear alley. The garage and residential areas of the building will be fully conditioned and constructed while the retail area will constructed to a cold dark shell condition in anticipation of future tenant permit submissions. The property has an existing retail building to remain with the new construction proposed directly to the side of the existing building the property is proposed to stretch from the front steel property line to the rear alley property line with zero sellback all four sides. The existing street faade is to remain with the proposed construction behind it and new retail storefronts by future retail tenants with the existing stone and masonry faade. The asset is not historic. The structure consists of a non- combustibl

Facade support for existing building. New building application under b1604093 sheating and shoring application under sh16000 foundation permit under fd1600042 project involve 1767 columbia rd nw- raze permit issued r1400165.

Gsi plans to drill 2 soil test borings to confirm soil strength with a hollow-stem auger equipped with a split spoon sampler for the spt n-value tests down to a maximum depth of feet below existing grades. All borings will be drilled to the maximum depth or auger refusal whichever occurs first. The boreholes dimension will be 3. 25 inches and shall be grouted upon completion. See attached work plan.

Install one soil boring ng-1 to be located within the first floor of the vacant retail building to a depth of 17 feet. The boring will be used to determine the environmental soil quality.

Support of excavation for one level below grade garage. Soe includes adjacent structures,conventional solder beams and lagging with tie backs and rakers.

Removal of one 500-gallon heating oil underground storage tank that was encountered during excavation activities as part of site redevelopment. Earth work and sediment erosion controls are associated with sheeting, shoring, and excavation permit sh1600060.

Removal of one 1,000-gallon heating oil underground storage tank that was encountered during excavation activities as part of site redevelopment. Earth work and sediment erosion controls are associated with sheeting, shoring, and excavation permit sh1600060.

Erect a tower crane at 1777 columbia road nw

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