{"id":43225,"date":"2020-12-11T08:00:13","date_gmt":"2020-12-10T23:00:13","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=43225"},"modified":"2026-05-17T13:40:37","modified_gmt":"2026-05-17T04:40:37","slug":"estimation-need-to-know-the-site","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/estimation-need-know-site\/","title":{"rendered":"Sites You Should Know About When Preparing Cost Estimates | Information Sources"},"content":{"rendered":"

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

Are you doing cost estimates?<\/p>\n

Well, when it comes to cost estimation, I think it\u2019s mainly handled by general contractors and branch-level contractors.<\/p>\n

If it were a company that only takes on subcontracting work, you might hardly ever see it.<\/p>\n

\"Cost<\/p>\n

The design documents include design drawings, design calculations, bill of quantities, and the design cost.<\/p>\n

To put it simply,<\/p>\n

Design Plan \u2192 Design Specifications + Design Drawings \u2192 Bill of Quantities \u2192 Estimated Design Cost \u2192 Bidding \u2192 Successful Bid (Design Cost) \u2192 Construction \u2192 Final Inspection<\/span><\/strong><\/span><\/p>\n

The cost estimate is based on the design cost for this section.<\/p>\n

We determine the design budget based on the design drawings and the quantities specified in the design.<\/p>\n

In other words, they are determining the amount of money needed for the construction work.<\/p>\n

Then, after the general contractor wins the bid, we submit bids and perform the construction work as first-tier and second-tier subcontractors.<\/p>\n

 <\/p>\n

You often hear from general contractors, \u201cWe\u2019ve got a construction bid coming up, so please give us a quote based on the design specifications,\u201d right?<\/p>\n

By finding out the subcontractor\u2019s price before the bid is awarded, the general contractor can determine how much to bid (at a discount of XX%).<\/p>\n

 <\/p>\n

If it's a construction project we really want, we might bid at the very minimum acceptable price, or\u2014in the worst-case scenario\u2014we might even go ahead with it even if our bid is below the minimum.<\/p>\n

And the general contractor has a pretty good grasp of the government agency\u2019s estimated design budget. (This isn\u2019t a scam.)<\/p>\n

That\u2019s because it\u2019s derived from the design drawings and the design quantities. (These days, I consider cost estimation to be a technical skill as well.)<\/p>\n

 <\/p>\n

This is a rough overview of cost estimation, but if you\u2019re not familiar with the theory and concepts behind it, you\u2019ll end up calculating a completely different figure. So, I\u2019d like to introduce a website here.<\/p>\n

Here it is.<\/p>\n

\"\"<\/div>
Civil Engineering Estimation.com<\/div><\/div>
\"\"<\/figure>
Civil Engineering Estimation.com<\/div>
https:\/\/dobokusekisan.com<\/div>
We provide information on civil engineering cost estimation for those involved in public works procurement.<\/div><\/div>
<\/div><\/div><\/a><\/div><\/div>\n

There has never been a site like this before.<\/p>\n

Or rather, when it comes to cost estimation, public works projects are full of \u201cblack box\u201d elements.<\/p>\n

Approaches vary from one local government to another, and they differ completely between agriculture and forestry on one hand, and civil engineering on the other.<\/p>\n

In some cases, this may vary by district.<\/p>\n

\"Money<\/p>\n

Cost estimation is quite a complex field, so I only have a basic understanding of it.<\/p>\n

I've become completely reliant on the software, so when I get stuck, I look it up in a book, but even then, it's still a bit of a struggle.<\/p>\n

A must-see for anyone involved in cost estimation!<\/p>\n

 <\/p>\n

See you later.<\/p>\n

\"\"<\/div>
Civil Engineering Estimation.com<\/div><\/div>
\"\"<\/figure>
Civil Engineering Estimation.com<\/div>
https:\/\/dobokusekisan.com<\/div>
We provide information on civil engineering cost estimation for those involved in public works procurement.<\/div><\/div>
<\/div><\/div><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Hello, everyone. This is Enta. Are you doing quantity surveys? Well, when you say \u201cquantity survey,\u201d I think it\u2019s mainly done by general contractors and branch-office contractors. If you work for a company that only does subcontracting, you might hardly ever see it. Design documents include design drawings, design calculations, design quantities, and design costs\u2026<\/p>","protected":false},"author":2,"featured_media":42540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1886,42],"tags":[75,1491,2382,3642,4132,4133,4134],"class_list":["post-43225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","category-civil-design","tag-75","tag-1491","tag-2382","tag-3642","tag-4132","tag-4133","tag-4134"],"acf":[],"yoast_head":"\n\u7a4d\u7b97\u3059\u308b\u306a\u3089\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u30b5\u30a4\u30c8\uff5c\u60c5\u5831\u6e90 - 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