HomeMy WebLinkAboutShotcreteReport(18-6523.Shotcrete.0023).pdf Client: Chad Salli
Town of Vail
GROUND 1309 El 81rn Drive
ENGINEERING
Red Sandstone Parking Garage
Report Date: Jul 30,2018 Work Order No.: 18-6523.Shotcrete.0023;ver:2
Work Order Date: Jul 23,2018 Reviewed by: Shane Sorensen
Shotcrete
Placement Contractor: Coggins&Sons Performed by: Matt Raczewski
Nozzleman: Abraham Quantity Placed: 25 yd'
Structure Type, Thickness: Soil Nail Shotcrete Retaining Wall,8 in Weather: Partly Cloudy
Finish, Curing Methods: Gun Finished, None
Placement Location: Soil Nail Shotcrete Retaining Wall: Row#1,Gridlines: 1.25-5.25
Comments: We arrived on-site for the scheduled 11:30am appointment to inspect reinforcing steel and to test shotcrete. Upon arriving
to the site we were notified by the contractor that the placement has been rescheduled to 2pm.We returned to the site for
the 2pm shotcrete,the placement began at approximately 2:40pm.
After the initial air content test of the first load the supplier added one air pack to the load prior to performing a retest.
Placement Area
Conforms Does Not Conform Not Applicable Not Observed
Surface/Substrate Condition: 0 LJ LJ LJ
Reinforcing Steel Condition:
Means and Methods
Placement Method: DI
Reinforcing Encasement: DI
Presence of Voids: DI
Sand Pockets or Lamination: DI
Finish and Curing
Finish Methods: 0 U UJ
Curing Methods:
On-Site Notifications
Name Company
Tom Highsmith Haselden Construction
Nick Schnabel
Shotcrete Specifications
Fresh Properties Hardened Properties
717-Shotcrete Air Content 5 to 9% Average Compressive 4000 min. Shotcrete
Strength
717-Shotcrete Slump 2 to 4 inches Conformance Test Age 28 min. Shotcrete
Material
Material Property Target
Casey,8.5 Sack Shotcrete
Results apply only to the specific items and locations referenced and at the time of testing,observations or special inspections.This report should not be reproduced,except in full,without the written
permission of GROUND Engineering Consultants,Inc.
www.groundeng.com
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Client: Chad Salli
Town of Vail
GROUND 1309 El 81rn Drive
ENGINEERING
Red Sandstone Parking Garage
Report Date: Jul 30,2018 Work Order No.: 18-6523.Shotcrete.0023;ver:2
Work Order Date: Jul 23,2018 Reviewed by: Shane Sorensen
Shotcrete
Shotcrete Sampling
Quantity Truck Ticket Air Temp Water
Sample No. Location (yd') Number Number Batch Time Test Time (°F) Added
(gal)
13 Row#1,Gridline:5.0 10.00 149 317115 12:51 PM 2:53 PM 80 5
13.1 Row#1,Gridline:5.0(Retest) 10.00 149 317115 12:51 PM 3:06 PM 80 -
Physical Properties of Shotcrete
Sample No. Concrete Temp. (°F) Slump(in) Air Cont. (%) Meas. Vol. (ft3) Empty Meas. (Ib) Full Meas. (/b) Unit Wt. (pcf) Panels Cast
13 90 2.75 4.5 .250 8.58 43.87 141.2
13.1 90 2.75 5.1 .250 8.58 43.78 140.8 Yes
Compressive Strength of Shotcrete Cores (ASTM C42 / AASHTO T24)
Sample No.: 13.1 Laboratory ID: Shotcrete67
Age(d) Conformance Diameter(in) Area(int) Length(in) L/D Ratio Correction Maximum Corrected
Core Factor Load(lb-f) Strength(psi)
7 Yes 2.01 3.17 4.05 2.0 1.00 17,260 5,450
7 Yes 2.01 3.16 4.05 2.0 1.00 17,940 5,680
Average Conformance Compressive Strength(psi) 5,570
Photos
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Placement of the first load
Results apply only to the specific items and locations referenced and at the time of testing,observations or special inspections.This report should not be reproduced,except in full,without the written
permission of GROUND Engineering Consultants,Inc.
www.groundeng.com
Englewood I Commerce City I Loveland I Granby I Gypsum Page 2 of 2