2015 DG2 Field Quality Review

Transcription

1 2015 DG2 Field Quality Review July, 2015 y: Doug Kays, Sr. Director, Design & onstruction Operations page 1

2 Note to Developers Throughout the course of our first business quarter this year, DG development leadership has traveled to review many DG2 projects in several regions. Overall our impressions have been good. Most projects are being executed with a consistently, high level of care. However there are three key areas for improvement that we would like extra attention around as they are critical points that can impact sales and shopping experience, in-store comfort, operations, functionality and our ability to open stores on time. These areas are: roof installation / roof curbs critical interior dimensions / column placement interior aesthetics / cable management page 2

3 DG2 Roof Expectations DG2 Roof System Trapezoidal, standing seam metal roof Warrantable roof system Poor installs have lead to some projects with leaks Roof Installation Manufacturer s specifications must be followed they are a system of components that work together To include but not limited to: panel installation, mechanical fasteners, mastics, thermal blocking, insulation coordination and roof curb installation Roof urbs Trapezoidal, Standing Seam Under / Over curbs (Only!) Supported on floating curb structure for top side installation Manufacturer s specifications must be followed page 3

4 Keys to a successful roof installation It is important to allow your metal building vendor to source and coordinate roof curbs from DG s national account vendors to ensure that the proper curbs are ordered for your building s application. Please remind your metal building vendor that interior floating curbs are to be utilized with all of these systems to help reduce cost and to provide best flexibility of HVA unit placement. All roofs and curbs should be installed by a manufacturer s certified building erector, not the mechanical contractor. As a reminder it is important for your design consultants to identify roof insulation requirements early on, with each jurisdiction. We have seen a wide swing for R-Values and U-values due to recent energy code adoptions. Higher value requirements may impact the insulation type and building steel sizes. You will want to make sure this is well coordinated by your design consultants and building manufacturers. page 4

5 Example of a poor roof installation A A. Misaligned roof panels at building seam, over 30 identified leaks on this store. Foam sealant, not part of the standing seam metal roof system. Spray sealant, not part of the standing seam metal roof system D. This store was required to be re-roofed! page 5

6 Same store re-roofed by approved installer A A. No visible foam or spray sealants. No reported leaks since corrective work was performed. lean roof, installed per manufacturer s details for a water tight roof system D. This is a good example of what standing seam roofs should look like page 6

7 Example of a poor roof curb installation A D A. urb does not have a high side cricket to promote drainage, water will pond here. Spray sealant is not part of the standing seam roof system. These are not one of our three approved roof curb systems (they likely came from the HVA vendor) D. ondensate lines should be piped in PV to the gutter page 7

8 Examples of correct roof curbs A A A. High side integral cricket diverts water around the curb. Low side has integral seam saddles to perfectly fit the roof seams to ensure water tightness (requires coordination between curb vendor and metal building manufacturer). High side edge of roof curb is tabbed to shingle under high side roof panels page 8

9 Prototype Plan Dimensions DG s plan dimensions are all considered to be critical. This includes but is not limited to, dimensions for interior clearances, merchandise fixtures, column placement and light fixture layout Light fixtures were installed directly over the merchandise fixture. Not per prototype! DG2 lighting is designed to be centered on our aisle widths. Sight adapt consultants should not attempt to adjust any interior prototype dimensions If in the rare occasion there was need to consider adjusting interior dimensions this will require written approval from the DG design team olumn Sales floor column was adjusted from the prototype and landed inline with the merchandise fixture. The prototype dimensions are well coordinated to prevent this. page 9

10 (OL.) (OL.) Typ. plan measurements for critical clearances Plan shown is for a 70 x 130 (9,100 SF) A Prototype Dimensioning principals apply to all prototype configurations page 10

11 ritical Interior Dimensions A.. A. A. Distance from interior faces of the steel wall columns sets the critical clear dimensions for sales floor width and depth. On walls that do not have columns the face of drywall will set the critical interior clear dimensions.. Interior sales floor freestanding column placement is critical and should be well coordinated throughout the construction documents, across all design and construction disciplines. Zero tolerance for error! page 11

12 Interior aesthetics / cable management able tray / wire management - The tray is well detailed in Technical ulletin # , DGT and DGP able Tray and in all of our current prototypes. Please refer to the prototype plans for all details. Open ceiling expectation clean, free of loose wires and cables, painted finished surfaces page 12

13 Examples of poor / aesthetics A A. Visible black wiring not per DG spec. Excess electrical coils should be manage neatly against the roof deck and drops should be managed in plumb or level manner to the connection points. able tray is where all cabling should be concealed Messy aesthetics can impact store openings and performance! page 13

14 Messy electrical installation A A. Segmented, Unistrut fixture support, unpainted. Flex conduit installed crooked, unpainted. Poor light fixture alignment We require uniform, parallel light fixture placement with painted components! page 14

15 Examples of clean open ceilings A A. No visible low voltage cabling. All electrical connections are made in a clean and workman like fashion, tightly against steel and tucked away from view. able tray is being utilized per design Open ceiling executed well, per plans! page 15

16 DG Design Team For any project design questions contact your DG regional Plan oordinator page 16