Land8 | David C. Racker, FASLA | Group Activity https://land8.com/members/davidc-rackerfasla/activity/groups/ Public group activity feed of which David C. Racker, FASLA is a member. Fri, 10 Apr 2026 13:50:42 +0000 https://buddypress.org/?v=6.0.0 en-US 30 hourly 2 2b47ca5e47354229685041cc9de3807f Phillip Tinsley joined the group Residential Design Group https://land8.com/activity/p/63054/ Wed, 28 Jul 2021 14:23:40 +0000 0 83c21700c4aaa4381199ccae51bdebf1 Morvarid joined the group Residential Design Group https://land8.com/activity/p/63012/ Fri, 16 Jul 2021 00:15:03 +0000 0 e33ac8b0359bea8bc19df67d31b41223 Amelia joined the group Residential Design Group https://land8.com/activity/p/62420/ Sun, 31 Jan 2021 22:18:57 +0000 0 498c26f95dedc2f812b33e0d5279633a Miguel A. Medina joined the group Residential Design Group https://land8.com/activity/p/60706/ Mon, 20 Apr 2020 16:42:33 +0000 0 86a340dcb8208dad73b5c48972ed472f Aidan Joseph ffrench joined the group Residential Design Group https://land8.com/activity/p/60475/ Fri, 21 Feb 2020 20:12:36 +0000 0 e337ab42a76827537aa30c97c8efd9c5 Miles Hartwell joined the group Residential Design Group https://land8.com/activity/p/60146/ Mon, 16 Dec 2019 13:52:10 +0000 0 14ec294040f13e4bc7abe7ee5835dcfd Bozena Graic joined the group Residential Design Group https://land8.com/activity/p/60113/ Mon, 09 Dec 2019 13:00:18 +0000 0 95abbb16a0507b3cf6f2809432aa00c1 Lisa Zimmerman joined the group Residential Design Group https://land8.com/activity/p/60103/ Fri, 06 Dec 2019 19:31:07 +0000 0 acadf4a9cb426d06bb9977318c7855b7 StudioCK joined the group Residential Design Group https://land8.com/activity/p/59629/ Fri, 06 Sep 2019 13:27:23 +0000 0 699855053b12907a5ec5bf5e1b6e597d StudioCK joined the group Irrigation Design https://land8.com/activity/p/59610/ Fri, 06 Sep 2019 13:26:54 +0000 0 42bc07974adb812708ae94ddd37a9d8f Vijay joined the group Irrigation Design https://land8.com/activity/p/59483/ Mon, 19 Aug 2019 09:23:43 +0000 0 ebe04109273b2ffbaf3693b0848d3c01 Premier Concepts posted an update in the group Irrigation Design: Hi All, I have been working in the landscape irrigation […] https://land8.com/activity/p/59444/ Tue, 06 Aug 2019 10:18:27 +0000 Hi All,
I have been working in the landscape irrigation design & installation for my clients and specialize in drip irrigation system as I find it’s the most suitable system of irrigating your lawn & area while checking for the water loss I just wanted to ask what’s the one irrigation system that you think is best. Let me know if you want to know…[Read more]

]]> 0 82c80f31eaf13a8bf876b66e2a2c071d Premier Concepts joined the group Irrigation Design https://land8.com/activity/p/59443/ Tue, 06 Aug 2019 10:10:50 +0000 0 e361ef0856d9328f3dad05bb34189d44 Bruce McWilliam Associates Landscape Design Group 778-809-9784 joined the group Irrigation Design https://land8.com/activity/p/53748/ Fri, 22 Jun 2018 13:34:03 +0000 0 7eb72d39566e6b3027e073e7af13cc5c Heather L. Venhaus posted an update in the group Residential Design Group: Land8 online has invited me to provide a free webinar on […] https://land8.com/activity/p/30235/ Sat, 25 Aug 2012 20:27:26 +0000 Land8 online has invited me to provide a free webinar on sustainable site design, small scale sites and residential landscapes on November 7th. What type of information you would find most useful?

]]> 0 56ca2017ee94504071f35592b59a3f2e Jeremy Nelson posted an update in the group SALT LAKE CITY AND UTAH LA'S: No. https://land8.com/activity/p/25492/ Mon, 30 Jan 2012 22:46:18 +0000 No.

]]> 0 5199d177e3fd04fb971d787b0601aaa8 prakash joshi posted an update in the group Irrigation Design: Hi all, I am an irrigation designer from India. Please keep […] https://land8.com/activity/p/22197/ Sun, 08 Jan 2012 11:18:42 +0000 Hi all,
I am an irrigation designer from India. Please keep me in mind if you require a designer to outsource your projects. my mail id is prakash.joshi2106@gmail.com.

Thanks

]]> 0 7ca94941d1f727135badf1bb183c0bbb Jamie Walsh posted an update in the group Residential Design Group: Hey Kev, funny we should be communicating this way instead […] https://land8.com/activity/p/30236/ Wed, 28 Sep 2011 05:48:32 +0000 Hey Kev, funny we should be communicating this way instead of calling but wondered if any of you out there would want to start a sub group of residential for traditional/classical. Not many out there but I think would help to focus the discussion. Not that interested in what’s ‘hip’. Trying to keep a long view. No offense to the fashionistas. ps…[Read more]

]]> 0 d10d6a7c11b4f1a05c5f1903b7db35c4 Dave Maciulis posted an update in the group Residential Design Group: Hey everyone, I recently launched a landscape Design Build […] https://land8.com/activity/p/30237/ Mon, 29 Aug 2011 16:57:53 +0000 Hey everyone, I recently launched a landscape Design Build Magazine this Spring.It focuses more on the consumer rather than the landscape architecture/ landscape designer profession. If any of you are interested at all to see what it’s all about you can visit http://www.naturallandscapemagazine.com click the magazine and you can look through the…[Read more]

]]> 0 aad8970b2c6ecdee61bf71af27bbc0ad heidi diskin posted an update in the group Residential Design Group: Hello, does anyone in the philadelphia, new York or Delaware […] https://land8.com/activity/p/30238/ Mon, 15 Aug 2011 00:54:50 +0000 Hello, does anyone in the philadelphia, new York or Delaware area have dynascape design program on their computer. Thanks for your response

]]> 0 b86b2630f92fff067a6f69fb0cf97d5e Hugh Ryan posted an update in the group Residential Design Group: Hello. I just want to let you know that at SLANT we have […] https://land8.com/activity/p/30239/ Mon, 11 Jul 2011 12:39:03 +0000 Hello. I just want to let you know that at SLANT we have just launched our second competition and this time it is an open international garden design competition and all are welcomw. Details can be viewed on http://www.slant.eu

]]> 0 2f21ba338cab9e8f6794ac9772eea2bc Cielo posted an update in the group Residential Design Group: Hello all.. Any plant buffs out there have experience with […] https://land8.com/activity/p/30240/ Thu, 10 Mar 2011 22:10:47 +0000 Hello all.. Any plant buffs out there have experience with Panicum virgatum ‘heavy metal’ or ‘Northwind’ in the SF bay area?  Based on the zone specs it should be fine but my broker hasn’t sold too many of them and couldn’t comment on how they perform in the area… any help would be appreciated.

]]> 0 098b985afe1fa14241d6b218324fdc1f Yucel Coban posted an update in the group Irrigation Design: Hi All! I'd like to offer you an irrigation tube, which is […] https://land8.com/activity/p/22198/ Sun, 06 Mar 2011 23:08:03 +0000 Hi All!
I’d like to offer you an irrigation tube, which is to be digged under the plant/grass into soil (20 cm). Tube will ‘sweaten’ the water through porous surface and feed water to root system. Absolutely easy and water saving!!
Please feel free to contact me for support!
 
Yucel 

]]> 0 09c569d3376b3c3fc306d310851bf679 Doug Prouty posted an update in the group Irrigation Design: Has anyone designed a commercial or residential irriation […] https://land8.com/activity/p/22199/ Sat, 29 Jan 2011 05:19:58 +0000 Has anyone designed a commercial or residential irriation system with HTPE pipe?

]]> 0 07149dd788545f430f2a2c6cb3bda85f Ruthie Wanjiku posted an update in the group Irrigation Design: Hi all, I am currently working on a landscape design for a […] https://land8.com/activity/p/22200/ Fri, 06 Aug 2010 14:18:41 +0000 Hi all,
I am currently working on a landscape design for a parking lot in an arid area. Which is the best irrigation sytem to use, taking note that the island is 2metres wide?Where can i get more information on irrigation design?

]]> 0 482650ace0ac2accba9ac51aec088514 John C. Barney posted an update in the group Residential Design Group: to David -- your response was great. thanks. we are about to […] https://land8.com/activity/p/30241/ Wed, 03 Mar 2010 23:42:05 +0000 to David — your response was great. thanks. we are about to over-seed an area with native wildflower mix. have to say, had a really good chuckle, more like chortle reading your comments. then had this amazing image of you talking to some folks out in your mojave neck of the woods about carbon sequestration (mostly because I have been in that…[Read more]

]]> 0 3d460386f23a16dc7c6c30e76c63f56c Ryan A. Waggoner posted an update in the group Residential Design Group: I was wondering what sites residential designers use to find […] https://land8.com/activity/p/30242/ Wed, 03 Mar 2010 20:19:20 +0000 I was wondering what sites residential designers use to find certain products or materials. Let’s say you want to find certain types of outdoor porcelain tiles, sculptures, water features, etc. Are there sites out there that are relevant for us to use? And if so, would anyone like to share these?

]]> 0 bb46fc9013227e38011bc70ca5d60bff Dan Barnes posted an update in the group Residential Design Group: David, I love your common sense approach!!! https://land8.com/activity/p/30243/ Fri, 26 Feb 2010 14:42:11 +0000 David, I love your common sense approach!!!

]]> 0 5532215a84e287c70e7e82afe0ad1aa6 John C. Barney posted an update in the group Residential Design Group: Oops -- just saw the link in your second post -- thanks, […] https://land8.com/activity/p/30244/ Fri, 26 Feb 2010 04:18:27 +0000 Oops — just saw the link in your second post — thanks, David.

Still would be great to read the actual pub to know what was included in the study.

]]> 0 402af858f2188dfa2cddf005573cfd99 John C. Barney posted an update in the group Residential Design Group: Wow.... and I thought my comment was long winded! This is […] https://land8.com/activity/p/30245/ Fri, 26 Feb 2010 04:13:45 +0000 Wow…. and I thought my comment was long winded!

This is great, though, David. I appreciate it. It is helpful to have to have a peer reviewed pub in this conversation (it means i better try to find the one I was referencing!). And it does run contrary to the prevailing wisdom in the “green” community regarding turf. Do you have a web link or…[Read more]

]]> 0 c71cd54ba48f089dd9aa496be24e557b David Moorman posted an update in the group Residential Design Group: This is interesting: 'Corrected' UC-Irvine study shows […] https://land8.com/activity/p/30246/ Wed, 24 Feb 2010 22:21:10 +0000 This is interesting:

‘Corrected’ UC-Irvine study shows turfgrass to be positive sequester of carbon

Scientists from the Department of Earth System Science at the University of California – Irvine recently published a paper in the journal Geophysical Research Letters on January 22, 2010 titled, “Carbon Sequestration and Greenhouse Gas Emi…[Read more]

]]> 0 58991af0cab2786b7cb8db385ccc9b0b Heather L. Venhaus posted an update in the group Residential Design Group: In response to John's question "how would you propose to […] https://land8.com/activity/p/30247/ Fri, 19 Feb 2010 02:41:42 +0000 In response to John’s question “how would you propose to reduce emissions and increase sequestration through design” in addition to my comments below about how to reduce greenhouse gas emissions – landscapes can also play an active role in sequestering carbon through thoughtful plant selection and soil stewardship. Research has shown that…[Read more]

]]> 0 f6a5d073337917d34e8bb00fedebcf1a Heather L. Venhaus posted an update in the group Residential Design Group: I believe the solution is to first accept the dual […] https://land8.com/activity/p/30248/ Fri, 19 Feb 2010 01:37:42 +0000 I believe the solution is to first accept the dual responsibility built landscapes hold in both causing environmental degradation AND protecting and restoring the ecosystem services we depend upon.

I agree with David, we can not and should not eliminate turf completely from our landscapes. There are many scenarios where mowed lawn is the best…[Read more]

]]> 0 070c84db1e05a4ff58c70dacf1fee7eb John C. Barney posted an update in the group Residential Design Group: I have not read the article, Heather, David and Reid, but I […] https://land8.com/activity/p/30249/ Fri, 19 Feb 2010 01:23:12 +0000 I have not read the article, Heather, David and Reid, but I think the basic point is good one — maintenance should be consideration in designing a “sustainable residential landscape.” Even here in the SW, we will design what we think is a more sustainable landscape, and put in a water harvesting swale with cobbles. As it turns out the maintenance…[Read more]

]]> 0 5faeab68270ff7a80c46811dbbf5df02 Reid Mitchell posted an update in the group Residential Design Group: David your are correct! https://land8.com/activity/p/30250/ Thu, 18 Feb 2010 23:23:36 +0000 David your are correct!

]]> 0 5c10721a76ca6ef4457e77ee0d3ebaef David Moorman posted an update in the group Residential Design Group: @Reid - Hahahahahahahahahahaha! I love to laugh out loud! […] https://land8.com/activity/p/30251/ Thu, 18 Feb 2010 23:15:03 +0000 @Reid – Hahahahahahahahahahaha!

I love to laugh out loud! It’s good for the body. Relieves stress, improves circulation.

]]> 0 773c58c763d0dd5484dc603017c4efe1 Reid Mitchell posted an update in the group Residential Design Group: Stupid Article! https://land8.com/activity/p/30252/ Thu, 18 Feb 2010 23:07:57 +0000 Stupid Article!

]]> 0 96e95cd2743bfdaf192b823c23fd515e David Moorman posted an update in the group Residential Design Group: This study also "compare(d) carbon sequestration to nitrous […] https://land8.com/activity/p/30253/ Thu, 18 Feb 2010 23:06:49 +0000 This study also “compare(d) carbon sequestration to nitrous oxide and carbon dioxide emissions from lawn grooming practices.”

I have news for anyone willing to listen. Lawn maintenance doesn’t produce carbon “di”oxide emissions. Lawn maintenance produces carbon “mon”oxide. Carbon monoxide produces carbon dioxide which in turn is used by plants…[Read more]

]]> 0 f43389df86d1d7ff9318289a625a6d2c David Moorman posted an update in the group Residential Design Group: From the article: "It's impossible for these lawns to be net […] https://land8.com/activity/p/30254/ Thu, 18 Feb 2010 22:54:29 +0000 From the article: “It’s impossible for these lawns to be net greenhouse gas sinks because too much fuel is used to maintain them,” Townsend-Small concluded.

So what’s the solution? That’s what I want to know. Should we eliminate athletic fields and play completely? What then shall we do with those that have no place to play and engage in athletic…[Read more]

]]> 0 67a8db7624be2579f32380b5d0d42975 Heather L. Venhaus posted an update in the group Residential Design Group: Urban "Green" Space may lead to Global Warming Interesting […] https://land8.com/activity/p/30255/ Thu, 18 Feb 2010 22:16:53 +0000 Urban “Green” Space may lead to Global Warming

Interesting article about the importance of extending sustainable practices to the maintenance of our landscapes. If the implications of maintenance requirements are not considered, the benefits of sustainable design practices may be lost. I think this article also highlights the advantage of having…[Read more]

]]> 0 411e0b868069c207f047ad409e2e19d7 Jim Del Carpio posted an update in the group Residential Design Group: Phil, Ditto Dan comments on experience, common sense and to […] https://land8.com/activity/p/30256/ Thu, 18 Feb 2010 16:44:15 +0000 Phil,

Ditto Dan comments on experience, common sense and to use your company history on previous Construction estimates. I would add to his list, network(social) with local contractors and ask them for their input. Some will be glad to help out and others may not, you never know until you ask. Good Luck

]]> 0 ae966ea1a31403cd7d3096b34a84ad99 Dan Barnes posted an update in the group Residential Design Group: Phillip,I have seen several programs over the years and have […] https://land8.com/activity/p/30257/ Thu, 18 Feb 2010 16:31:26 +0000 Phillip,I have seen several programs over the years and have not been a big favorite of any of them so far. I have been in d/b for almost 28 years. I have worked in the field and behind the desk and I know how long it takes to plant a 4″ tree etc. including the stop at 7-11 for a big gulp and traffic, waiting for the semi to deliver the sod or…[Read more]

]]> 0 18a2206a11da4d3cd125ac2c6973ec22 Phillip Merritt posted an update in the group Residential Design Group: Hi, I've recently started working for a small residential […] https://land8.com/activity/p/30258/ Thu, 18 Feb 2010 16:12:30 +0000 Hi, I’ve recently started working for a small residential design/build company and I’m wondering how other people go about estimating construction costs. Is there some great piece of software that makes the process easy, or do people rely on their own knowledge of material and labor prices. It seems like the estimating software I’ve looked at are…[Read more]

]]> 0 e8895643111ec9dbf22c9313a04ee2cc Heather L. Venhaus posted an update in the group Residential Design Group: Hey Folks! Just a quick note to say hello and introduce […] https://land8.com/activity/p/30259/ Mon, 15 Feb 2010 02:54:50 +0000 Hey Folks! Just a quick note to say hello and introduce myself. After completing the 2009 report, I resigned as project manager of the Sustainable Sites Initiative to pursue other opportunities and spend more time with my 7 month old son. I am interested in the practical application of landscape sustainability in residential settings and look…[Read more]

]]> 0 40c46cd8862dd292e44a4ea3bf22dc9f Robin Alyse Doyle posted an update in the group Residential Design Group: Hands-on all-day workshop on Modeling Residential Sites with […] https://land8.com/activity/p/30260/ Fri, 25 Dec 2009 03:19:30 +0000 Hands-on all-day workshop on Modeling Residential Sites with Slope in Google SketchUp (for intermediate/advanced users) in San Francisco Feb. 20th, 2010

tal_sketchup.pdf

]]> 0 497cbf46af31a0ebcb5a1031d185ebaf Jim Del Carpio posted an update in the group Irrigation Design: Hi All, A little Bio. for your consumption. I started […] https://land8.com/activity/p/22201/ Wed, 02 Dec 2009 19:57:16 +0000 Hi All,
A little Bio. for your consumption. I started irrigation design in 2001 in Arizona. Worked with a L. A. in Arizona, who exclusively went after IRRIG. projects. He did very well, However I wanted to grow to other areas and moved on. Jump to the present, In the last office I worked in (March 2009), My billable hours for Irrigation Design was…[Read more]

]]> 0 5ca3a89af53ed3d0eea0b138665f5bac Dr.Thiruvelavan posted an update in the group Residential Design Group: hai nice to join in this group https://land8.com/activity/p/30261/ Tue, 01 Dec 2009 17:09:20 +0000 hai nice to join in this group

]]> 0 42937c6c0399af8a7472cf1e2ea9ae87 Bill Kisich posted an update in the group Residential Design Group: Chris- I know exactly what mean. It would be almost […] https://land8.com/activity/p/30262/ Mon, 28 Sep 2009 20:28:49 +0000 Chris-
I know exactly what mean. It would be almost impossible to be a true advocate for the client if you were being paid a sales commission from the contractor. The commission I was referring to is more like maybe a “finders fee”, if you will. I run across all sorts of projects and not all of them are appropriate for a designer. So I refer the…[Read more]

]]> 0 39de7554ba5a2e4da299403b288fe905 Dan Barnes posted an update in the group Residential Design Group: Chirs, Here in Texas we are not required to be licensed for […] https://land8.com/activity/p/30263/ Mon, 28 Sep 2009 11:18:57 +0000 Chirs,
Here in Texas we are not required to be licensed for landscape contracting. Sometimes I wish we were because every guy that has lost his job in the last few months has become a landscaper/maintenace contractor. I am sometimes bidding against people that are brand new in the business.
I am working with several Landscape Architects like…[Read more]

]]> 0 d6f951dece66f86e48f504acb81d7e47 Ryan A. Waggoner posted an update in the group Residential Design Group: Hey Chris, We are in Phoenix, and we do mainly design and […] https://land8.com/activity/p/30264/ Sat, 26 Sep 2009 20:49:51 +0000 Hey Chris,
We are in Phoenix, and we do mainly design and subcontract the work out on high end residential designs. I believe we are the main contractor, and the work is divided accordingly.

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