How is Survey ascii data with TMPL imported into OpenRoads ss4

TMPLsurvey  linking code has been extensively talked about both in InRoads and Openroads but I simply cannot find any example anywhere.

Can any experts out there help.

What file format to be selected to enable this to be processed?

Ideally I would want a video demonstration of the workflow involved here.

To help in answering this I have attached a file to be processed in OpenRoads.

5	497920.4418	145899.6095	39.889	CLRD	ST	TMPL	EP1	3.75	-0.075	TC1	3.775	0.05	BC1	3.875	0.05
10	497924.4526	145896.6239	39.924	CLRD											
15	497928.4634	145893.6384	39.959	CLRD											
20	497932.4742	145890.6528	39.994	CLRD											
25	497936.4853	145887.667	40.029	CLRD											
30	497940.4958	145884.6817	40.064	CLRD											
35	497944.6158	145881.8519	40.099	CLRD											
40	497948.9852	145879.4252	40.134	CLRD											
45	497953.5631	145877.4184	40.169	CLRD											
50	497958.2041	145875.5579	40.134	CLRD											
55	497962.8452	145873.6969	40.099	CLRD											
60	497967.486	145871.837	40.064	CLRD											
65	497972.0422	145869.7828	40.029	CLRD											
70	497976.3591	145867.2647	39.994	CLRD											
75	497980.481	145864.4346	39.959	CLRD											
80	497984.5952	145861.5933	39.924	CLRD											
85	497988.7094	145858.7519	39.889	CLRD											
90	497992.8237	145855.9106	39.854	CLRD											
95	497996.9854	145853.1409	39.819	CLRD											
100	498001.3707	145850.7465	39.784	CLRD											
105	498005.8718	145848.5653	39.839	CLRD											
110	498010.3705	145846.3833	39.894	CLRD											
115	498014.8657	145844.1939	39.949	CLRD											
120	498019.3603	145841.9983	40.004	CLRD											
125	498023.8519	145839.8066	40.059	CLRD											
130	498028.3445	145837.6119	40.114	CLRD											
135	498032.8377	145835.4175	40.169	CLRD											
140	498037.3298	145833.2227	40.224	CLRD											
145	498041.6591	145830.7592	40.279	CLRD											
150	498044.2122	145826.5459	40.334	CLRD											
155	498044.0568	145821.896	40.386	CLRD