diff --git a/README.md b/README.md
index e44c12b..f6cdd91 100644
--- a/README.md
+++ b/README.md
@@ -201,7 +201,7 @@ The development of this pipeline is part of the GPS Project ([Global Pneumococca
   | Option | Values | Description |
   | --- | ---| --- |
   | `--assembler` | `"shovill"` or `"unicycler"`<br />(Default: `"shovill"`)| Using which SPAdes-based assembler to assemble the reads. |
-  | `--min_contig_length` | Any integer value<br />(Default: `500`) | Minimum legnth of contig to be included in the assembly |
+  | `--min_contig_length` | Any integer value<br />(Default: `500`) | Minimum legnth of contig to be included in the assembly. |
 
 ## Mapping
   > ⚠️ `--ref_genome_bwa_db_local` does not accept user provided local database, directory content will be overwritten 
diff --git a/modules/info.nf b/modules/info.nf
index a317a3b..72547d0 100644
--- a/modules/info.nf
+++ b/modules/info.nf
@@ -372,7 +372,7 @@ process SAVE {
     |╔═══════════════════════════════════════════════════════════════════════════════════════════╗
     |║ Read QC                                                                                   ║
     |╟──────────────────────────────────────────────────────────────┬────────────────────────────╢
-    |${qcTextRow('Minimum bases in processed reads', String.format("%.0f", params.length_low * params.depth))}
+    |${qcTextRow('Minimum bases in processed reads', String.format("%.0f", Math.ceil(params.length_low * params.depth)))}
     |╠══════════════════════════════════════════════════════════════╧════════════════════════════╣
     |║ Taxonomy QC                                                                               ║
     |╟──────────────────────────────────────────────────────────────┬────────────────────────────╢
diff --git a/modules/singularity.nf b/modules/singularity.nf
index 6c09642..a18520e 100644
--- a/modules/singularity.nf
+++ b/modules/singularity.nf
@@ -33,7 +33,17 @@ void singularityPreflight(Path configPath, String singularityCacheDir) {
         process.waitFor()
 
         if (process.exitValue()) {
-            log.info("${container} cannot be pulled successfully. Check your Internet connection and re-run the pipeline.\n")
+            def errorMessage = new BufferedReader(new InputStreamReader(process.getErrorStream())).getText()
+
+            log.info(
+                """
+                |Singularity Error Messages:
+                |${errorMessage}
+                | 
+                |${container} cannot be pulled successfully. Resolve the above error and re-run the pipeline.
+                |
+                """.stripMargin()
+            )
             System.exit(1)
         }
 
diff --git a/modules/validate.nf b/modules/validate.nf
index f2bceb0..bd1abd3 100644
--- a/modules/validate.nf
+++ b/modules/validate.nf
@@ -53,8 +53,8 @@ void validate(Map params) {
         validParams.put("singularity_cachedir", "path")
     }
 
-    // Add params.maxretries when workflow.profile == 'lsf' 
-    if (workflow.profile == 'lsf' ) {
+    // Add params.maxretries when workflow.profile contains 'lsf' 
+    if (workflow.profile.split(',').contains('lsf')) {
         validParams.put("maxretries", "int")
     }
 
diff --git a/nextflow.config b/nextflow.config
index ea00c6b..98854ed 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -1,3 +1,5 @@
+nextflow.enable.dsl=2
+
 // Default parameters that can be overridden
 params {
     // Show help message
@@ -190,5 +192,11 @@ profiles {
             cacheDir = params.singularity_cachedir
         }
     }
+    sangertower {
+        tower {
+            enabled = true
+            endpoint = 'https://tower.internal.sanger.ac.uk/api/'
+        }
+    }
 
 }
diff --git a/nextflow_schema.json b/nextflow_schema.json
new file mode 100644
index 0000000..be58342
--- /dev/null
+++ b/nextflow_schema.json
@@ -0,0 +1,288 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema",
+    "$id": "https://raw.githubusercontent.com/./master/nextflow_schema.json",
+    "title": "GPS Unified Pipeline Parameters",
+    "description": "",
+    "type": "object",
+    "definitions": {
+        "input_output": {
+            "title": "Input / Output",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "reads": {
+                    "type": "string",
+                    "description": "Path to the input directory that contains the reads to be processed."
+                },
+                "output": {
+                    "type": "string",
+                    "description": "Path to the output directory that save the results."
+                },
+                "assembly_publish": {
+                    "type": "string",
+                    "description": "Method used by Nextflow to publish the generated assemblies.",
+                    "hidden": true
+                }
+            },
+            "required": [
+                "reads",
+                "output",
+                "assembly_publish"
+            ]
+        },
+        "qc_parameters": {
+            "title": "QC Parameters",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "spneumo_percentage": {
+                    "type": "number",
+                    "description": "Minimum S. pneumoniae percentage in reads to pass Taxonomy QC.",
+                    "hidden": true
+                },
+                "ref_coverage": {
+                    "type": "number",
+                    "description": "Minimum reference coverage percentage by the reads to pass Mapping QC.",
+                    "hidden": true
+                },
+                "het_snp_site": {
+                    "type": "integer",
+                    "description": "Maximum non-cluster heterozygous SNP (Het-SNP) site count to pass Mapping QC.",
+                    "hidden": true
+                },
+                "contigs": {
+                    "type": "integer",
+                    "hidden": true,
+                    "description": "Maximum contig count in assembly to pass Assembly QC."
+                },
+                "length_low": {
+                    "type": "integer",
+                    "hidden": true,
+                    "description": "Minimum assembly length to pass Assembly QC."
+                },
+                "length_high": {
+                    "type": "integer",
+                    "hidden": true,
+                    "description": "Maximum assembly length to pass Assembly QC."
+                },
+                "depth": {
+                    "type": "number",
+                    "hidden": true,
+                    "description": "Minimum sequencing depth to pass Assembly QC."
+                }
+            },
+            "required": [
+                "spneumo_percentage",
+                "ref_coverage",
+                "het_snp_site",
+                "contigs",
+                "length_low",
+                "length_high",
+                "depth"
+            ]
+        },
+        "assembly": {
+            "title": "Assembly",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "assembler": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Using which SPAdes-based assembler to assemble the reads."
+                },
+                "min_contig_length": {
+                    "type": "integer",
+                    "description": "Minimum legnth of contig to be included in the assembly.",
+                    "hidden": true
+                }
+            },
+            "required": [
+                "assembler",
+                "min_contig_length"
+            ]
+        },
+        "mapping": {
+            "title": "Mapping",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "ref_genome": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the reference genome for mapping."
+                },
+                "ref_genome_bwa_db_local": {
+                    "type": "string",
+                    "description": "Path to the directory where the reference genome FM-index database for BWA should be saved to.",
+                    "hidden": true
+                }
+            },
+            "required": [
+                "ref_genome",
+                "ref_genome_bwa_db_local"
+            ]
+        },
+        "taxonomy": {
+            "title": "Taxonomy",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "kraken2_db_remote": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "URL to a Kraken2 database."
+                },
+                "kraken2_db_local": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the directory where the remote Kraken2 database should be saved to."
+                },
+                "kraken2_memory_mapping": {
+                    "type": "boolean",
+                    "hidden": true,
+                    "description": "Using the memory mapping option of Kraken2 or not."
+                }
+            },
+            "required": [
+                "kraken2_db_remote",
+                "kraken2_db_local",
+                "kraken2_memory_mapping"
+            ]
+        },
+        "serotype": {
+            "title": "Serotype",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "seroba_db_remote": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "URL to a SeroBA Git remote repository."
+                },
+                "seroba_db_local": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the directory where SeroBA local repository should be saved to."
+                },
+                "seroba_kmer": {
+                    "type": "integer",
+                    "hidden": true,
+                    "description": "Kmer size for creating the KMC database of SeroBA."
+                }
+            },
+            "required": [
+                "seroba_db_remote",
+                "seroba_db_local",
+                "seroba_kmer"
+            ]
+        },
+        "lineage": {
+            "title": "Lineage",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "poppunk_db_remote": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "URL to a PopPUNK database."
+                },
+                "poppunk_ext_remote": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "URL to a PopPUNK external clusters file."
+                },
+                "poppunk_db_local": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the directory where the remote PopPUNK database and external clusters file should be saved to."
+                }
+            },
+            "required": [
+                "poppunk_db_remote",
+                "poppunk_ext_remote",
+                "poppunk_db_local"
+            ]
+        },
+        "other_amr": {
+            "title": "Other AMR",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "ariba_ref": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the reference sequences for ARIBA."
+                },
+                "ariba_metadata": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the metadata file for ARIBA."
+                },
+                "ariba_db_local": {
+                    "type": "string",
+                    "hidden": true,
+                    "description": "Path to the directory where ARIBA reference database should be saved to."
+                }
+            },
+            "required": [
+                "ariba_ref",
+                "ariba_metadata",
+                "ariba_db_local"
+            ]
+        },
+        "singularity": {
+            "title": "Singularity",
+            "type": "object",
+            "description": "",
+            "default": "",
+            "properties": {
+                "singularity_cachedir": {
+                    "type": "string",
+                    "description": "Path to the directory where Singularity images should be saved to.",
+                    "hidden": true
+                }
+            },
+            "required": [
+                "singularity_cachedir"
+            ]
+        }
+    },
+    "allOf": [
+        {
+            "$ref": "#/definitions/input_output"
+        },
+        {
+            "$ref": "#/definitions/qc_parameters"
+        },
+        {
+            "$ref": "#/definitions/assembly"
+        },
+        {
+            "$ref": "#/definitions/mapping"
+        },
+        {
+            "$ref": "#/definitions/taxonomy"
+        },
+        {
+            "$ref": "#/definitions/serotype"
+        },
+        {
+            "$ref": "#/definitions/lineage"
+        },
+        {
+            "$ref": "#/definitions/other_amr"
+        },
+        {
+            "$ref": "#/definitions/singularity"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/tower.yml b/tower.yml
new file mode 100644
index 0000000..cbc5d54
--- /dev/null
+++ b/tower.yml
@@ -0,0 +1,3 @@
+reports:
+    results.csv:
+        display: "Overall Results"