HomeMy WebLinkAboutCorrespondenceDave Argo
From: Dave Argo
Sent: Thursday, June 6, 2019 1:59 PM
To: Keith; 'dgpengineeringllc@gmail.com'
Cc: Lindsay Krol
Subject: Springridge Reserve - Permit #BLRE-05-19-5758
Keith:
We have reviewed your plans for a new single-family residence for Springridge Reserve, Lot 39 but before we can issue a
building permit for this project we need for the following items to be addressed:
1. Soils Report — All lots in Springridge Reserve are required to submit a copy of a site specific soils report before
we can issue a building permit. In fact, any project submitted to our office in which the Structural Engineer
specifically references a soils investigation report must include a copy of the soils report. Please provide us with
a digital copy of the soils report as prepared by Kumar Associates.
2. Structural Specifications —A couple of the items listed in the Structural General Notes do not meet Garfield
County's minimum building requirements, including:
a. Roof Snow Load — Minimum snow load as measured at the roof = 40 psf ... (30 psf shown on plans)
b. Wind Speed —115 mph Ultimate Speed ... (90 mph shown on plans )
Please have your Structural Engineer provide us with follow-up information including any necessary
modifications to insure that the building design complies with these minimum requirements.
Once we have received this supplemental information from you, we will be able to quickly turnaround issuance of the
building permit. However, please note that I will be out of the office tomorrow (Friday) but back first thing on Monday
morning.
Thanks for your attention to these items.
Dave Argo
Plans Examiner
Garfield County
Community Development Department
108 8th Street, Suite 401
Glenwood Springs, CO 81601
Tel: 970-945-8212 Ext. 1610
Email: dargo@garfield-county.com
Web: garfield-county.com
1
Dave Argo
From: Don Pettygrove <dgpengineeringllc@gmail.com>
Sent: Thursday, June 6, 2019 4:23 PM
To: Keith; Dave Argo
Subject: [External] Re: Wittenberg
Attachments: 19-013 Wittenberg S2 6-6-19.pdf
Dave Argo/Keith Whittenberg
My apology for the confusion with these.
The design snow load is 40 psf. My standard notes have 30 psf and I failed to change it for Garfield County.
The wind speed is correct per IRC Table 301.2.1.3 which gives both ultimate and allowable strength design
wind speeds. I use the 90 mph because it complies with the 89 psf in the Table.
Attached is a revised S2 for your records.
Don Pettygrove, P.E. #16543
DGP Engineering LLC
On Thu, Jun 6, 2019 at 3:20 PM Keith <shaggs09@vahoo.com> wrote:
Don, could you please address these items for the county so I can get my permit?
Thanks, Keith
Sent from my iPhone
Begin forwarded message:
GENERAL NOTE5
LOAr35 Dff5IGN 1,20 EIRC:1:
A. rROOL 20 PSI
F-5 ROOF 15N01.4;) - - -
40 F'57
C. FLOOR 1:0.P) I 5 l'Sr
L). LOCI. (LiV1.1
. Vo"IN I RC 30 Te! , F:sr oivPh
2 CONCR.FTff:
A. ALL C:ONCKL I L. SrlAL. LYLVLIJ>" 3.1'2,00 C0N1f'KLS5I'lL S1•,;•`::N(L; 1 iN 28 DArn_
B., Al REINFORCING 5hAll CONFORM TO A51M AG If5, GRAD?. ex), F_Xf.,:f. F1 COLUMN Tlf 5,
DAM 5TRI..f~..), AND DC.M'ff..: 5 TOL A135. ON GRA.F. GR.ADf 40,
CI. NO SFL10E Or RLINV0KCDLNV SHALL Mf MAUL IZXCEPI AS 1..)LTAILLD (JR AUTI /OKILD
BY 1 "rlf 51Ki.,'C1 UF.A1 NIGINLFR. 1.AF 51-1 ICE 5, `kkiff-lt.R1., 51.1A1 1 A MINIMUM
OF 3G DAR 0lk,A rTff IVARF Al,1 DAR 5 CONTINUC.1-1..I5 AR.OLJNO CORNFR
D. STAGGER FIDC:f."3 A I'vlININAUM or4I-0 l'OK TOEAND EN01T0I.,,,1 CONTINUOUS DAK.!3 IN
I' OLIN F.> A1 IONS. UNLI.55 carrtif_KI10115L 51- I OWN OK N 01 ED,
DF,TAIL DAR5 IN ACC,,OR0ANC:f1 NTh A„C, I , DrTANING AND A,C,1 DUI! GING ccir,":7=
K.E 0 U RE N SFOR, HE INFO KC ELJ N CIPif r If, LA ES' ,!f. Li r ION
:PROVIDE. ALL A.CCr.550HIL5 NECL.55A,RY TO 5i.T10K71 KEINTORGINO Al r-'05• ic)N5 ritiaNN
ON TI -If
G. KEI NrORCIEV ENT PRO ILCTION SI',AL ,A;:..;• r=OLLOW:
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PCKMEI:„.1. STAIP.!:::. OR WALLNor VbrfAirlf:R.
FLACL 2-#5 ((...1NL LAU- 1 1- ACL WIl I 2I--0 FKO.ILCl ION AKOUNII) AL OFI.NING: IN
C0NCRT INL55 OTI-IffRW15.r. '5,hOWN OR NOTIff7.>
1. SLAL3S, DE'A,M5, AND GRADE 5If.AM5 51--IALL Nor 1AV JOINT5 IN A 110RIZONTA,L FLAN,
ANY 5TOP IN CON CHL I L WOKr.1AUSI bL. MADE A MIDLI,ILI:01 5 -AN 'Mr! 1 'ALEN I cAL
Dui .e...1-tfA.Fxr.) AND i-cR.,17:0NTAL :51"A.C,fr) G' ON Cr NTrR, I NI r 55 OTrt FRIA15f,
ALL CONS.I-R.LiCTION JOIN r SIIALLE.31: t‘.5 LjtIAI'LLFD O 5 NFO/1:L) r AKcrilritrci-
AN I) 7 HI] 5-1'KUCII URAL ENGINT.LK.
3. WOCiD:
A. ALL DEANIS AND 1*1LEADER...5 2 70 4 INCI1Elf TftCI.51--,ALL NO 2 'u BffrrCFr..
5. ALL W-LAW.t. 0 AND 'WI DLK 5!IALL 1)01JG4 IR NO. 1 WI fIL.? = oco 5iANL1
- 1,..700,000 1'51.
C. ALL POTS AND COLUMNS 511A.DL Dff DOUGLAS, f 1K-LA.Rf2,11 ND 2 Wi rb = 81'3ri
1. = ..400,000 1-51.
ITJTUITir.,, AND 71 ,ATF,3 ShALI F.5f-7 hFEA-FIR IN 571Jr) - G7575:IJI AND
= 1.200,000 r.31,
L. IIL :1 Joi5r 51ALL BL DL5IGNLD, MANLII'AGICL,K11) AND LIKUD! LID IN ACC.:ORDANCL
MANUrAICTUR.F.R5 !IIYIANDARID 517CIFICATION5 ANO Rr(7.00.4rND
LUIiDR 1.D./0 ALL,1CF.'4D- LAM" OR AN .0,,ITROVEL-.:' ,r.QUAL
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f71 ROW') OT- 1 0-Or1MON NAILS AT I 2' 0.0.
(2.) TWO ANC'e ThRff-NTMESI'fR 1:1f.AMa TIIRD 20') .5hAti DP CONN.riCTfD
'Oil (II 13) ROWS 0.I' 12c "DOMMON NAJLS Al 1 2" 0.•C_
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1-'ROV151C-A15 A..I .5.0. MANUA1 01 5T C0N51 RUC1 ION,
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rOILJNDAIION DLSIGN S EASLD ON RECONIN,Trn)AriONS, DYK.U1',.4tK 4 AS0C., JOb NO.
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1.•PINAL GKAU[ IN ALL DIKEC r ONS A r LAS I
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c; FOUNDATION DACRf II 1 51A:,1.. Dr CAFPF. D 'MTH Tf0 FT OF NON -5 \o,t-r!
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I LOADS USED IN DESIGN (20181RC):
A ROOF (DEAD) 20 P54
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D. FLOOR (LIVE) 40 P5F
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A ALL CONCRETE SHALL DEVELOP 3,000 P51 COMPRESSIVE STRENGTH IN 28 DAYS.
B. All REINFORCING SHALL CONFORM TO ASTM AG! 5, GRADE GO, DICEPT COLUMN TIES,
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BEAM STIRRUPS. AND DOWELS TO SLABS ON GRADE MAY BE GRADE 40.
C. NO SPUCES OF REINFORCEMENT SHALL BE MADE IXLP
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BY THE STRUCTURAL ENGINEER. LAP SPLICES. WHERE PERMITTED. SHALL BE A MINIMUM
OF 36 BAR DIAMETERS MAKE 41164(45 CONTINUWS AROUND CORNERS.
MODFIN DESIGN + BUILD LLP
LOT 39, SPRING RIDGE RESERVE
GARFIELD COUNTY, COLORADO
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D. STAGGER SPUCES A MINIMUM OF 4'-0 FOR TOP AND BOTTOM CONTINUOUS BARS IN
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(1) CONCRETE POURED AGAINST EARTH __________________ 3•
(2) FORMED CONCRETE EXPOSED TO EARTH OR WEATHER 2'
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SOR ACH FACE)) WITH 2'-S NOT 0OPROJECT ON AROUND ALL OPENINGS IN
CONCRETE UNLESS OTHERWISE SHOWN OR NOTED.
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BULKHEADS AND HORIZONTAL KEYS SPACED 6' ON CENTER, UNLESS OTHERWISE SHOWN
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ALL CONSTRUCTION JOINTS SHALL BE A5 DETAILED OR A5 APPROVED BYTHE ARCHITECT
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A ALL BEAMS AND HEADERS 2 TO 4 INCHES THICK SHALL BE HEM -FIR NO. 2 AND BETTER
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B ALL BEAMS 6" AND WIDER SHALL BE DOUG -FIR NO. 1R WRH Fb = 1000 P51 AND
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D. STUDS AND PLATES SHALL BE HEM -FIR IN STUD GRADE WITH Fb = 675 P51 AND
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WITH MANUFACTURER'S STANDARD SPECIFICATIONS AND RECOMMENDATIONS.
F, LAMINATED VENEER LUMBER (LVU SHALL BE 'MICRO -LAM' OR AN APPROVED EQUAL
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(I) TWO- AND THREE-MEMBER BEAMS (9 (/2' 4 117/e') SHALL DE CONNECTED
WITH (2) ROWS OF 12d COMMON NAILS AT 12' 0.C.
(2) TWO- AND THREE-MEMBER BEAMS (I 4' THRU 20) SHALL BE CONNECTED
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WITH (3) ROWS OF I 2 COMMON NAILS AT I2' O.C.
(3) FOUR -MEMBER BEAMS SHALL BE CONNECTED WITH (2) ROWS OF 1)2'0 AT 24' 0,C.
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5. STEEL:
A. ALL STRUCTURAL STEEL SHALL CONFORM TO ASTM A36. EXCEPT TUBE COLUMNS WHICH
SHALL CONFORM TO ASTM A500 (GRADE BA
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B, STRUCTURAL STEEL SNAIL BE DETAILED AND FABRICATED IN ACCORDANCE WITH LATEST
PROVISIONS OF THE A.1 S.C MANUAL OF STEEL CONSTRUCTION.
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3. FOUNDATIONS:
FOUNDATION DESIGN 15 BASED ON RECOMMENDATIONS 8Y KUMER E A550C , JOB NO
19-7-196 ALL RECOMMENDATIONS IN THIS REPORT SHALL BE FOLLOWED.
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A MAXIMUM SOIL BEARING PRESSURE -----.----�-,- I .500 P5F
C. A QUALIFIED SOILS ENGINEER 5HALL EXAMINE EXCAVATION TO VERIFYTHAT CONSTRUCTION
15 IN ACCORDANCE WITH THE RECOMMENDATION OF THE 501L5 ENGINEER
E PERIMETER DRAINS SHALL BE INSTALLED PER 5O/L5 REPORT.
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F. FINAL GRADE SHALL SLOPE AWAY FROM THE FOUNDATION IN ALL DIRECTIONS AT LEAST
ONE FOOT IN THE FIRST TEN FEET AND TWO PERCENT THEREAFTER
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G, FOUNDATION BACKFILL SHALL BE CAPPED NMTH TWO FEET OF NON -SWELLING, LOW
PERMEABILITY SOIL TO PREVENT SURFACE MOI5TRUE FROM REACHING THE BEARING SOILS.
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