{"id":51433,"date":"2024-05-20T08:00:51","date_gmt":"2024-05-19T23:00:51","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=51433"},"modified":"2026-05-17T14:34:25","modified_gmt":"2026-05-17T05:34:25","slug":"reverse-construction-cost","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/reverse-construction-cost\/","title":{"rendered":"Talking About the Costs of Inverse-Winding Construction"},"content":{"rendered":"

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

\"Core<\/p>\n

Are you busy?<\/p>\n

We're kind of bored here, lol.<\/p>\n

It seems like things are busy, but not that busy\u2014it just feels like things are moving along for now.<\/p>\n

Well, in the meantime, we\u2019ve been steadily moving forward with private-sector construction projects.<\/p>\n

I wonder what happened to that \u201cleveling out\u201d the Ministry of Land, Infrastructure, Transport and Tourism has been talking about for so long...<\/p>\n

\n

But that's beside the point.<\/p>\n

How do you prepare estimates for spiral drilling projects?<\/p>\n

The other day, we were talking about cost estimation, and since no adjustments can be made in the estimation process, there\u2019s really nothing we can do about it, right?<\/p>\n

\"Reverse-Winding<\/p>\n

What Is Reverse-Winding Construction? (Part 1)<\/a><\/p>\n

What Is Reverse-Winding Construction? (Part 2)<\/a><\/p>\n

 <\/p>\n

However, even though the design calls for reverse-wrap installation, the cost estimate is based on the standard method.<\/p>\n

So, if the consulting firm doesn\u2019t anticipate that from the start, the burden will fall heavily on us, the contractors.<\/p>\n

Depending on the situation, it may not be possible to carry out the work.<\/p>\n

 <\/p>\n

I would like you to set the conditions clearly during the cost estimation phase.<\/p>\n

How many layers will be installed?<\/p>\n

What is the amount of work per level?<\/p>\n

When calculating the total, do not use the total quantity; be sure to multiply the quantity for each tier by the adjustment factor.<\/p>\n

Record the costs of installing and removing machinery each time.<\/p>\n

\"Cost<\/p>\n

Depending on the quantity, I think this approach will result in at least 1.2 times the amount of a standard calculation (based on the total quantity).<\/p>\n

If possible, I would like you to use the Slope Association\u2019s volume-based estimation method rather than market unit prices.<\/p>\n

If you do that, it'll go up a little more.<\/p>\n

In practice, even if you increase the amount by 1.5 times, it still might not be enough.<\/p>\n

 <\/p>\n

That\u2019s when it gets really tricky, but the quote for the general contractor ends up being pretty steep, doesn\u2019t it?<\/p>\n

The general contractor negotiates with the government agency, but if the agency is reluctant to approve the changes, both the general contractor and the construction company end up suffering.<\/p>\n

And just like that, I\u2019m starting to really dislike reverse-wrap installation...<\/p>\n

It would be nice if there were a better way to do this, though...<\/p>\n

 <\/p>\n

See you later.<\/p>","protected":false},"excerpt":{"rendered":"

Hello, everyone. This is Enta. Are you all busy? Things are kind of slow here, lol. It seems busy, but it\u2019s not really that hectic\u2014it just feels like we\u2019re keeping things moving for now. Well, in the meantime, we\u2019re steadily moving forward with our private-sector construction projects. As for this \u201cleveling out\u201d that the Ministry of Land, Infrastructure, Transport and Tourism has been talking about for a while now\u2026<\/p>","protected":false},"author":2,"featured_media":1719,"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":[43],"tags":[75,1038,1179,1445,6225],"class_list":["post-51433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-issues","tag-75","tag-1038","tag-1179","tag-1445","tag-6225"],"acf":[],"yoast_head":"\n\u9006\u5dfb\u65bd\u5de5\u306e\u304a\u91d1\u306e\u8a71\u3057 - 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