Page 254 - Villas at Savona Close-out Manual

4. DATA ACQUISITION AND REPORTING

4.1 LOGGED INFORMATION
The contractor shall maintain and provide the engineer a continuous log delineating the drilling
and grout injection parameters for each hole. Minimum data provided on the log shall include the
following:

Date(s) and time the hole was drilled.
Any obstructions encountered or unusual events occurring during drilling.
Depth drilled and/or elevation of both the top and bottom of the hole.
Date(s) and time grouting of the hole was started and ended.

Injection pressure at the pump and at the hole collar in 3-minute intervals from the time
grouting starts.

The injected volume at each 3-minute interval.
Location and amount of any uplift or displacement of any structure or the ground surface
during grouting, if any.
Notation of any other observations relating to the grouting.
The name of the person preparing the logs and the current date shall occur on all pages of the log, and
the pages shall be numbered chronologically from the start of work. The current time shall be noted at
each log entry.

4.2 REAL-TIME COMPUTER MONITORING
Where used, the primary pressure transducer shall be located at the grout header immediately
above the top of the casing. As a minimum, continuous plots of both pressure and injection rate
shall be recorded in a time domain. Data shall be recorded in a format compatible with
contemporary spreadsheet software, such as Microsoft Excel, and shall be supplied to the engineer
in digital, and when requested printed, form. The contractor should have a suitable printer on site
for this purpose.

4.3 DAILY REPORT
The contractor shall provide a daily report delineating the activities for each day that their people
are on the job site. The log shall provide at minimum the following:

Date
Weather
Hole numbers of holes drilled Hole numbers of holes grouted

Materials received and time of delivery. Names of any visitors and time on the job site.
Details of any accidents, injuries, or other unusual events, including time.
Copies of receipts or delivery tickets for all materials delivered to the job site shall be
provided to the engineer.

5. CONSTRUCTION

6
HEERUP ENGINEERING, PC January 16
Villas at Savona 03229